Leadership Team

Leadership Team

Spencer Brown

Chief Executive Officer, Gemini XIII

Spencer Brown is Co-Founder and Chief Executive Officer of Gemini XIII, the podcasting and radio industries’ new home for premium audio content, production and marketing services. Prior to forming Gemini, Mr. Brown founded Cadence13 (www.Cadence13.com) a leading creator, distributor and marketer of podcasts and digital audio products. Headquartered in New York and Los Angeles, the company was sold to Audacy Inc. in the fall of 2019.

Prior to founding Cadence, Mr. Brown was the Chief Executive of Dial Global (currently operating as Westwood One) where he was responsible for developing and executing the corporate strategy that resulted in Dial Global (NASDAQ:DIAL) becoming the nation’s largest independent creator and distributor of national broadcast radio programming through its merger with Westwood One. During his tenure the company held the broadcast rights to the National Football League, the NCAA Basketball Tournament, the CBS Radio Network, NBC Sports Radio, and was the radio home of the Grammys, The Masters and the Olympics.  In addition, its 24/7 Format business programmed over 1,500 radio stations throughout the United States and provided sales representation for a number of leading radio services and programs.  As CEO From 2003 through 2012, revenue increased from $25 million to over $360 million, EBITDA increased over tenfold and employee headcount increased from 40 to over 500 full time equivalents in over 10 locations across the United States

Mr. Brown holds a BA from the University of Michigan, a JD from Boston University School of Law and an MBA from New York University’s Stern School of Business. He resides in Westport, CT with his wife and two children.

Spencer Brown
Spencer Brown

Spencer Brown

Chief Executive Officer, Gemini XIII

Spencer Brown is Co-Founder and Chief Executive Officer of Gemini XIII, the podcasting and radio industries’ new home for premium audio content, production and marketing services. Prior to forming Gemini, Mr. Brown founded Cadence13 (www.Cadence13.com) a leading creator, distributor and marketer of podcasts and digital audio products. Headquartered in New York and Los Angeles, the company was sold to Audacy Inc. in the fall of 2019.

Prior to founding Cadence, Mr. Brown was the Chief Executive of Dial Global (currently operating as Westwood One) where he was responsible for developing and executing the corporate strategy that resulted in Dial Global (NASDAQ:DIAL) becoming the nation’s largest independent creator and distributor of national broadcast radio programming through its merger with Westwood One. During his tenure the company held the broadcast rights to the National Football League, the NCAA Basketball Tournament, the CBS Radio Network, NBC Sports Radio, and was the radio home of the Grammys, The Masters and the Olympics.  In addition, its 24/7 Format business programmed over 1,500 radio stations throughout the United States and provided sales representation for a number of leading radio services and programs.  As CEO From 2003 through 2012, revenue increased from $25 million to over $360 million, EBITDA increased over tenfold and employee headcount increased from 40 to over 500 full time equivalents in over 10 locations across the United States

Mr. Brown holds a BA from the University of Michigan, a JD from Boston University School of Law and an MBA from New York University’s Stern School of Business. He resides in Westport, CT with his wife and two children.

Charles Steinhauer

Charles Steinhauer

Chief Operating Officer, Gemini XIII

Charles Steinhauer is Co-Founder and Chief Operating Officer of Gemini XIII, the podcasting and radio industries’ new home for premium audio content, production and marketing services.

Steinhauer was former Chief Operating Officer of Westwood One, the largest audio network in America, where he had full oversight of the day-to-day operations of the company. Steinhauer was responsible for managing programming, technology, distribution, sports, affiliate services, research, compliance, and strategy.

Prior to that, he was President, Operations, for Westwood One and Dial Global, Inc. where he managed all operations departments for the company. He was an integral part of the management team which acquired and integrated the following networks: Global Media, Dial Communications, MJI Interactive, Waitt Radio Networks, Jones MediaAmerica, Westwood One and Cumulus Media Networks.

In 2005, while working as the company’s Senior Vice President of Operations, Steinhauer was instrumental in launching Dial Global’s first RADAR rated network, the first by an independent network firm.

Steinhauer began his career as an Account Executive with Venture Direct Worldwide, a business-to-business direct marketing firm.  In 1997, he took a position as a research analyst at Winstar Global Media, which eventually merged with Dial Communications to form Dial Global.

In addition to his role at Westwood One, Steinhauer has served as a Director on the Board of the Media Ratings Council, Chair of the Network Radio Research Council (NRRC), Founder and Chair of the Network Radio Compliance Council, Advertising Research Foundation Ambassador, member of the Radio Advertising Bureau Council, and Nielsen Advisory Board.

Charles Steinhauer

Charles Steinhauer

Chief Operating Officer, Gemini XIII

Charles Steinhauer is Co-Founder and Chief Operating Officer of Gemini XIII, the podcasting and radio industries’ new home for premium audio content, production and marketing services.

Steinhauer was former Chief Operating Officer of Westwood One, the largest audio network in America, where he had full oversight of the day-to-day operations of the company. Steinhauer was responsible for managing programming, technology, distribution, sports, affiliate services, research, compliance, and strategy.

Prior to that, he was President, Operations, for Westwood One and Dial Global, Inc. where he managed all operations departments for the company. He was an integral part of the management team which acquired and integrated the following networks: Global Media, Dial Communications, MJI Interactive, Waitt Radio Networks, Jones MediaAmerica, Westwood One and Cumulus Media Networks.

In 2005, while working as the company’s Senior Vice President of Operations, Steinhauer was instrumental in launching Dial Global’s first RADAR rated network, the first by an independent network firm.

Steinhauer began his career as an Account Executive with Venture Direct Worldwide, a business-to-business direct marketing firm.  In 1997, he took a position as a research analyst at Winstar Global Media, which eventually merged with Dial Communications to form Dial Global.

In addition to his role at Westwood One, Steinhauer has served as a Director on the Board of the Media Ratings Council, Chair of the Network Radio Research Council (NRRC), Founder and Chair of the Network Radio Compliance Council, Advertising Research Foundation Ambassador, member of the Radio Advertising Bureau Council, and Nielsen Advisory Board.

Jeffrey Tepper

Business Development, Gemini XIII

Jeffrey Tepper is Co-Founder and Business Development Officer of Gemini XIII, the podcasting and radio industries’ new home for premium audio content, production and marketing services. Prior to forming Gemini, Mr. Tepper was a strategic advisor to and senior financial professional of Cadence13 (www.Cadence13.com) a leading creator, distributor and marketer of podcasts and digital audio products. Headquartered in New York and Los Angeles, the company was sold to Audacy Inc. in the fall of 2019.

Prior to working with Cadence13, Mr. Tepper served in a variety of senior management and operating roles at the investment bank Gleacher & Company. Mr. Tepper was Head of Investment Banking and a member of the Management Committee. Mr. Tepper was also a co-founder of Gleacher Asset Management and served as President. Gleacher managed in excess of $1 billion of institutional capital in the mezzanine and fund of hedge fund areas. Mr. Tepper served on the Investment Committees of Gleacher Mezzanine and Gleacher Fund Advisors. Mr.Tepper began his career as a financial analyst in the mergers & acquisitions and merchant banking departments of Morgan Stanley & Co.

Mr. Tepper serves on the Boards and is Chair of Audit Committees of Centennial Resource Development (NASDAQ: CDEV) and Decarbonization Plus Acquisition Corporation IV (NASDAQ: DCRD).

Mr. Tepper received an MBA from Columbia Business School and a BS in Economics from The Wharton School of the University of Pennsylvania with concentrations in finance and accounting. He resides in New York City with his wife and has three children.

Jeffrey Tepper
Jeffrey Tepper

Jeffrey Tepper

Business Development, Gemini XIII

Jeffrey Tepper is Co-Founder and Business Development Officer of Gemini XIII, the podcasting and radio industries’ new home for premium audio content, production and marketing services. Prior to forming Gemini, Mr. Tepper was a strategic advisor to and senior financial professional of Cadence13 (www.Cadence13.com) a leading creator, distributor and marketer of podcasts and digital audio products. Headquartered in New York and Los Angeles, the company was sold to Audacy Inc. in the fall of 2019.

Prior to working with Cadence13, Mr. Tepper served in a variety of senior management and operating roles at the investment bank Gleacher & Company. Mr. Tepper was Head of Investment Banking and a member of the Management Committee. Mr. Tepper was also a co-founder of Gleacher Asset Management and served as President. Gleacher managed in excess of $1 billion of institutional capital in the mezzanine and fund of hedge fund areas. Mr. Tepper served on the Investment Committees of Gleacher Mezzanine and Gleacher Fund Advisors. Mr.Tepper began his career as a financial analyst in the mergers & acquisitions and merchant banking departments of Morgan Stanley & Co.

Mr. Tepper serves on the Boards and is Chair of Audit Committees of Centennial Resource Development (NASDAQ: CDEV) and Decarbonization Plus Acquisition Corporation IV (NASDAQ: DCRD).

Mr. Tepper received an MBA from Columbia Business School and a BS in Economics from The Wharton School of the University of Pennsylvania with concentrations in finance and accounting. He resides in New York City with his wife and has three children.

Erica Farmer

Erica Farmer

Vice President, Strategic Marketing, Gemini XIII

Erica Farmer is Vice President, Strategic Marketing at Gemini XIII, the podcasting and radio industry’s new home for premium audio content, production and marketing services.

Prior to working at Gemini XIII, Erica served as Marketing Director for Westwood One, the national facing arm of Cumulus Media, an audio-first media company featuring over 400 owned-and-operated radio stations across 86 markets, nationally-syndicated programming including the NFL, NCAA, the Masters, the AP, the ACM Awards, and home to one of the largest podcast networks in the space, the Cumulus Podcast Network(formerly Westwood One Podcast Network). While at the company, Erica focused her efforts on the growth of their robust slate of premium podcast content, including several award-winning shows. She was a key component in driving audience growth, and spearheading digital marketing initiatives, industry relationships and event builds.

Prior to Cumulus, Erica worked at Townsquare Media, a community-focused digital media, digital marketing solutions and radio company with a portfolio of 300+ terrestrial radio stations with corresponding local news and entertainment websites and apps. She played a critical part in building out the company’s Live Events vertical in 2014, serving as corporate Producer for all events in Townsquare’s East Coast and Midwest markets, building large-scale Music Festivals and Lifestyle Events from concept to completion.

Before working in audio and music, Erica started her career at World Wrestling Entertainment as an Associate Producer for both International and Domestic Television programming, working on shows like WWE Raw, WWE Smackdown and much more of the company’s world-class content. Erica also led the production, operations, and execution of WWE’s first ever exclusive partnership deal with Hulu in 2012 . During her tenure at WWE, Erica created content for live air on USA Network, SyFy Network, FOX Sports1 and International networks around the world, like UK-based sports conglomerate SkySports, and Fuji TV in Japan. Erica is also credited for creating several bespoke story-mode pieces programmed into WWE2k Video Games.

Erica holds a BA from The Pennsylvania State University and currently resides in New York City.

Erica Farmer

Erica Farmer

Vice President, Strategic Marketing, Gemini XIII

Erica Farmer is Vice President, Strategic Marketing at Gemini XIII, the podcasting and radio industry’s new home for premium audio content, production and marketing services.

Prior to working at Gemini XIII, Erica served as Marketing Director for Westwood One, the national facing arm of Cumulus Media, an audio-first media company featuring over 400 owned-and-operated radio stations across 86 markets, nationally-syndicated programming including the NFL, NCAA, the Masters, the AP, the ACM Awards, and home to one of the largest podcast networks in the space, the Cumulus Podcast Network(formerly Westwood One Podcast Network). While at the company, Erica focused her efforts on the growth of their robust slate of premium podcast content, including several award-winning shows. She was a key component in driving audience growth, and spearheading digital marketing initiatives, industry relationships and event builds.

Prior to Cumulus, Erica worked at Townsquare Media, a community-focused digital media, digital marketing solutions and radio company with a portfolio of 300+ terrestrial radio stations with corresponding local news and entertainment websites and apps. She played a critical part in building out the company’s Live Events vertical in 2014, serving as corporate Producer for all events in Townsquare’s East Coast and Midwest markets, building large-scale Music Festivals and Lifestyle Events from concept to completion.

Before working in audio and music, Erica started her career at World Wrestling Entertainment as an Associate Producer for both International and Domestic Television programming, working on shows like WWE Raw, WWE Smackdown and much more of the company’s world-class content. Erica also led the production, operations, and execution of WWE’s first ever exclusive partnership deal with Hulu in 2012 . During her tenure at WWE, Erica created content for live air on USA Network, SyFy Network, FOX Sports1 and International networks around the world, like UK-based sports conglomerate SkySports, and Fuji TV in Japan. Erica is also credited for creating several bespoke story-mode pieces programmed into WWE2k Video Games.

Erica holds a BA from The Pennsylvania State University and currently resides in New York City.

Jim Thompson

Vice President of Sales, Gemini XIII

Jim Thompson is Vice President of Sales for Gemini XIII, the podcasting and radio industries’ new home for premium audio content, production and marketing services.

Prior to joining Gemini XIII, Thompson helped lead sales partnership efforts at The Athletic, one of the leading sports media publications, where he was responsible for multichannel revenue growth – which included their podcast network, digital display and newsletters.
Before he was with The Athletic, Thompson was with Cadence13, a leading creator, distributor, and marketer or podcasts and digital audio product. He specialized in direct response advertising campaigns, as well as large-scale brand activations.

Thompson began his career in 2011 as an Account Executive with WOR Radio (AM 710) in New York City. In 2013 he joined Salem Media as an Account Executive, eventually becoming Sales Manager overseeing revenue growth for Salem’s two New York radio stations – AM 970 The Answer (WNYM), and AM 570 The Mission (WMCA). Thompson also spent two years with ESPN New York 98.7 FM, where he sold advertising campaigns for ESPN New York’s sports talk programs, as well as play-by-play sponsorships for the New York Jets, New York Knicks, and New York Rangers.

Jim Thompson
Jim Thompson

Jim Thompson

Vice President of Sales, Gemini XIII

Jim Thompson is Vice President of Sales for Gemini XIII, the podcasting and radio industries’ new home for premium audio content, production and marketing services.

Prior to joining Gemini XIII, Thompson helped lead sales partnership efforts at The Athletic, one of the leading sports media publications, where he was responsible for multichannel revenue growth – which included their podcast network, digital display and newsletters.
Before he was with The Athletic, Thompson was with Cadence13, a leading creator, distributor, and marketer or podcasts and digital audio product. He specialized in direct response advertising campaigns, as well as large-scale brand activations.

Thompson began his career in 2011 as an Account Executive with WOR Radio (AM 710) in New York City. In 2013 he joined Salem Media as an Account Executive, eventually becoming Sales Manager overseeing revenue growth for Salem’s two New York radio stations – AM 970 The Answer (WNYM), and AM 570 The Mission (WMCA). Thompson also spent two years with ESPN New York 98.7 FM, where he sold advertising campaigns for ESPN New York’s sports talk programs, as well as play-by-play sponsorships for the New York Jets, New York Knicks, and New York Rangers.

Jaclyn Mifka

Jaclyn Mifka

Director of Ad Operations & Planning, Gemini XIII

Jaclyn Mifka is Director of Ad Operations & Planning of Gemini XIII, the podcasting and radio industries’ new home for premium audio content, production and marketing services.

Previously, Jaclyn spent 10 years working for ESPN Audio, where she started her career in Traffic then later transitioned into a Senior Digital and Audio Sales Planner role. She was responsible for building, pricing and clearing inventory for all radio and digital plans for the ESPN Audio Network. Jaclyn was able to build a rapport with all of the Account Executives across the country as well as work hand-in-hand with various departments including Marketing, Traffic and Production.

Jaclyn started her career at ESPN as a Traffic Coordinator, where she managed all of the copy entry for play-by-play and talk for both ESPN and ESPN Deportes. While assisting with the scheduling and placement of the audio commercials, Jaclyn worked her way up the ladder in the Traffic Department as a Traffic Associate Manager.

Jaclyn started her career working for Westwood One immediately, just two weeks after graduating. It was through Dial Global/Westwood One that Jaclyn made the initial connection with Spencer Brown and Charles Steinhauer. She brings a diverse background of Sales Planning and Ad Operations for both digital and terrestrial radio.

A decorated collegiate student-athlete, Jaclyn played two Division I sports at Manhattan College all four years. Jaclyn was inducted into her high school Hall of Fame and she was also nominated for the Manhattan College Jaspers Hall of Fame for both Women’s Volleyball and Softball. She resides in New Jersey with her husband Michael and daughter Joelle.

Jaclyn Mifka

Jaclyn Mifka

Director of Ad Operations & Planning, Gemini XIII

Jaclyn Mifka is Director of Ad Operations & Planning of Gemini XIII, the podcasting and radio industries’ new home for premium audio content, production and marketing services.

Previously, Jaclyn spent 10 years working for ESPN Audio, where she started her career in Traffic then later transitioned into a Senior Digital and Audio Sales Planner role. She was responsible for building, pricing and clearing inventory for all radio and digital plans for the ESPN Audio Network. Jaclyn was able to build a rapport with all of the Account Executives across the country as well as work hand-in-hand with various departments including Marketing, Traffic and Production.

Jaclyn started her career at ESPN as a Traffic Coordinator, where she managed all of the copy entry for play-by-play and talk for both ESPN and ESPN Deportes. While assisting with the scheduling and placement of the audio commercials, Jaclyn worked her way up the ladder in the Traffic Department as a Traffic Associate Manager.

Jaclyn started her career working for Westwood One immediately, just two weeks after graduating. It was through Dial Global/Westwood One that Jaclyn made the initial connection with Spencer Brown and Charles Steinhauer. She brings a diverse background of Sales Planning and Ad Operations for both digital and terrestrial radio.

A decorated collegiate student-athlete, Jaclyn played two Division I sports at Manhattan College all four years. Jaclyn was inducted into her high school Hall of Fame and she was also nominated for the Manhattan College Jaspers Hall of Fame for both Women’s Volleyball and Softball. She resides in New Jersey with her husband Michael and daughter Joelle.

Tammy Halcomb

Vice President, Product Development, Gemini XIII

Tammy Halcomb is Vice President of Product Development for Gemini XIII, the podcasting and radio industry’s new home for premium audio content, production and marketing services.

Prior to Gemini XIII, Tammy has created, managed and launched numerous software solutions used within the media industry today. While working for WideOrbit, a software provider of Ad Tech solutions, servicing more than 90% of the Television, Radio, and Network industry, Tammy was Director of Product Engagement working with industry leaders to automated and streamline the advertising buy and sales processes. Tammy has worked with media clients, such as, Tegna, CBS, Fox, Hearst, Gray and Audacy in building ad solutions that programmatically streamline their day-to-day ad sales business. She’s led design and launch efforts with the latest Marketplace product suites, which electronically transact business between digital agencies and broadcast tv and radio stations. Tammy has also overseen and managed numerous successful product launches with Direct Response and Audience Delivery products that are instrumental in conducting business today.

Prior to her work with WideOrbit, Tammy was Director of Product Management for Marketron Broadcast Solutions, managing multiple integrations projects. She oversaw and launched products such as Electronic Invoicing, Network Connect, Proof of Performance and TvScan, all products that have been successful in the media space and ones that are still used today.

Tammy has over 20 years in the Media Software space as well as working in roles at stations and agencies prior to software. She comes with a vast knowledge of the media industry and how software can make the difference in a client’s day-to-day business operation.

Tammy holds a BA from the University of Alabama and is an active alumnus of the University. She resides in Birmingham, Alabama.

Jim Thompson

We’re Growing

Gemini XIII owns and operates Infinite Agency, a full-service digital advertising agency, and Phantom Producer, the world’s first patented audio imaging service that puts professional audio production and imaging in the palm of your hand. Gemini XIII has also joined forces with Diversion Books to leverage its vast publishing assets and author relationships through the creation of Diversion Audio, the content division of Gemini XIII that produces premium podcasts that drive new audience communities and tell expert-driven stories spanning the genres of suspense, romance, parenting, music, history, business, and sports.
Gemini XIII is based in New York, with offices in Dallas, TX, and Sydney, Australia.

The Future
of Your Brand

Infinite is a full service advertising agency that is built to create the future of your brand using data driven strategies, influencer marketing, modern video production, social content creation, digital media and creative thinking. We create meaningful connections between brands, people, and culture in the social, digital, and physical world.

Learn More

Create Amazing
Radio Imaging

Create promos and sweepers – with your station voice or jingle – in a matter of seconds. Phantom’s patented concept delivers un-imaginable flexibility.  The mobile app lets you get creative on the go and automatically syncs everything with your desktop account.  The sound of your station at your fingertips, no matter where you are.

Learn More

Experience Podcasting At Its Best

Diversion Audio is the home of premium podcasts that optimize sister company Diversion Books’ vast publishing assets and author relationships. Diversion Audio’s focused content model is totally unique to podcasting: expanding IP from books, authors, and personalities into the podcast medium as original audio content across both high-frequency episodic shows and engrossing narrative limited series. Diversion Audio’s podcasts drive new audience communities and tell expert-driven stories that spring from Diversion’s book titles, expanding them with additional interviews and guests, archival research, and narrative themes previously unexplored. Diversion Audio’s podcasts span the genres of suspense, romance, parenting, music, history, business, and sports.

Learn More

We’re Growing

Gemini XIII owns and operates Infinite Agency, a full-service digital advertising agency, and Phantom Producer, the world’s first patented audio imaging service that puts professional audio production and imaging in the palm of your hand. Gemini XIII is based in New York, with offices in Dallas, TX, and Sydney, Australia.

The Future
of Your Brand

Infinite is a full service advertising agency that is built to create the future of your brand using data driven strategies, influencer marketing, modern video production, social content creation, digital media and creative thinking. We create meaningful connections between brands, people, and culture in the social, digital, and physical world.

Learn More

Create Amazing
Radio Imaging

Create promos and sweepers – with your station voice or jingle – in a matter of seconds. Phantom’s patented concept delivers un-imaginable flexibility.  The mobile app lets you get creative on the go and automatically syncs everything with your desktop account.  The sound of your station at your fingertips, no matter where you are.

Learn More

“We welcome the talented professionals at Diversion Audio, Infinite Agency, and Phantom Producer to the Gemini XIII family and look forward to serving our partners and customers with the very best in content and services.”

— Spencer Brown, Chief Executive Officer, Gemini XIII

Contact Us

“We welcome the talented professionals at Infinite Agency and Phantom Producer to the Gemini XIII family and look forward to serving our partners and customers with the very best in content and services.”

— Spencer Brown
Chief Executive Officer, Gemini XIII

Contact Us