Robert Tilliss founded Inner Circle Sports in 2002. The company is the leading sports investment bank in the industry. Inner Circle is a registered broker dealer with FINRA and the SEC. Mr. Tilliss has a 30+ year history as a leader in the sports advisory and finance community. Mr. Tilliss has led many high profile transactions both in the US and internationally including the sale or acquisition of numerous teams in the US sports leagues and several leagues internationally. Mr. Tilliss also has extensive stadium/arena financing expertise as well as raising capital and M&A for sports technology/services companies. Mr. Tilliss has performed valuation, consulting and other activities through the firm.

Prior to founding ICS, Mr. Tilliss spent 14 years at J.P. Morgan where he was Managing Director and Group Head of the Sports Advisory & Finance Group. Mr. Tilliss founded J.P. Morgan’s sports investment banking practice. In 2005, Mr. Tilliss led a group at Fortress Investment Group focused on stadium and arena development.

Recognition: Mr. Tilliss was twice recognized by the Sports Business Journal as one of the “Industry’s 40 under 40”, and has been recognized by Worth magazine as one of the “60 Most Powerful People in Sports.” Mr. Tilliss has been a frequent guest on Bloomberg TV, and has been quoted in the New York Times, Wall Street Journal, Sportico, and Sports Business Journal among numerous other publications. Mr. Tilliss has been a speaker and moderator at Sportico's Invest in Sports conference for several years, interviewing Gary Bettman, Jimmy Haslam, Marc Lasry, Vinnie Viola, Jon Ledecky and other sports leaders.

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Steve has over 30 years of sports experience in marketing, media, technology, and finance, having worked with a diverse group of organizations such as the EFL, EPL, MLB, MLS, NCAA, NASCAR, NBA, NFL, NWSL, PGA Tour, Serie A, USTA and many others. In his current role, Mr. Horowitz has completed numerous transactions globally including Liverpool FC, FC Internazionale (Inter Milan), Portsmouth FC, Philadelphia Union, DC United, NY Cosmos, Atlanta Hawks, Philadelphia 76ers,Montreal Canadiens, Bloomberg Sports, Union Square Hospitality Group, Teamworks, Real Salt Lake, Bay FC, Chicago Red Stars, Gotham FC, Dagenham & Redbridge and Wrexham AFC.

Mr. Horowitz joined ICS from the investment/advisory firm Triple Play Partners, where he was a partner. Prior to TPP, Mr. Horowitz served as a Vice President for Convera, the Intel/NBA technology venture, leading the company’s Sports & Entertainment business. Before Convera, Mr. Horowitz was the GM of the NFL Quarterback Club, where he ran the group licensing, television, and marketing business for the NFL’s 40 marquee players before it was bought by the NFL. For the 15 years preceding, Mr. Horowitz was with ProServ Television (later SFX/Clear Channel Communications), one of the leading sports marketing and management firms in the world, advancing to Senior Vice President.

Education: Mr. Horowitz graduated from the University of California, Berkeley.

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Seth is responsible for origination and execution of M&A and capital raising transactions across the sports, media and entertainment landscape. Seth has led and executed transactions including: capital structure refinancing for Oak View Group; private debt raise and subsequent majority equity sale for Legends Hospitality; and Boyne USA’s acquisition of ski resort assets from Och-Ziff.

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Seth has also worked on a number of advisory and financing assignments across sports and entertainment for clients including: Take Two Interactive, Clear Secure, Six Flags, YES Network, Yankee Global Enterprises, Live Nation and Comcast.

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Prior to joining ICS, Seth worked in the Tech, Media & Telecom investment banking group at Wells Fargo.  

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Seth graduated cum laude from George Washington University with a bachelor’s degree in marketing and received his MBA with honors from Columbia Business School.

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Tyler is responsible for originating and executing M&A and capital raising transactions in the global sports, media, and technology industries. Tyler helps lead the firm’s technology & services practice, having led and executed transactions including: KORE Software’s sale to Serent Capital; Teamworks’ Series C funding round led by Delta-v Capital; Men in Blazers' Series A funding round led by Avenue Sports Fund; Synergy Sports’ sale to Atrium Sports; Sports IQ’s growth capital raise led by Harlo Equity Partners; and Golf Genius Software’s acquisitions of Operation 36 Golf and Twilight Golf Association.

Tyler has also advised on a number of M&A transactions across the top leagues in North America, including the Tampa Bay Lightning, Kansas City Royals, San Diego Wave, Atlanta Falcons, Orlando City SC & Orlando Pride, Cleveland Guardians, Chicago Red Stars, Memphis Grizzlies, Sporting Kansas City and the New York Mets.

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In 2022, Tyler was recognized by the Sports Business Journal as a recipient of its New Voices Under 30 Award. 

Prior to joining ICS, Tyler was with Houlihan Lokey, a global investment bank headquartered in Los Angeles, CA.

Education: Tyler graduated cum laude from Columbia University where he received a B.A. with double major in Economics and History.

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Mr. Mosley is responsible for originating and executing M&A and capital raising transactions across the sports, media, entertainment and technology ecosystem. Mr. Mosley has advised on several North American and European sports transactions, including organizations like the Sacramento Kings, Minnesota Timberwolves & Lynx, Fenway Sports Group, Florida Panthers, Edmonton Oilers, Real Salt Lake & Utah Royals, DC United, National Lacrosse League, Crystal Palace FC, FC Girondins de Bordeaux, Wrexham AFC, Dagenham & Redbridge FC and others.

In addition, Mr. Mosley has advised on transactions for many sports-adjacent technology, services and media companies, including capital raises for G2 Esports, PlayOn! Sports and the Association of Pickleball Players, as well as leading the sale of MaxPreps, a subsidiary of Paramount Global, to PlayOn! Sports.
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Mr. Mosley also leads the firm’s valuation services business unit, having completed numerous appraisal reports for team ownership groups, family offices, institutional investors and publicly traded corporate clients. Mr. Mosley joined the firm in the spring of 2018.
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Prior to joining ICS, Mr. Mosley worked in Deutsche Bank’s consumer and business services investment banking division, executing M&A, leveraged buyout, and debt and equity capital raise transactions for large and mid-cap companies.

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Education: Mr. Mosley graduated from Boston College with a B.S.in Finance and B.A. in German.

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Maddie is responsible for advising and executing on M&A, capital raising and financing advisory transactions across the sports, technology and entertainment ecosystem. Maddie has advised on transactions across numerous professional men’s and women’s sports teams and leagues including the Tampa Bay Lightning, NWSL, San Diego Wave, Gotham FC, Chicago Red Stars, and Minnesota Timberwolves & Lynx. In addition, Maddie has advised on capital raises for companies in the broader sports technology and services space like MSL Solutions, and on various stadium financing advisory projects including Q2 Stadium in Austin, TX and Co-op Live Arena in Manchester, England.

Maddie joined the firm in the spring of 2021. Prior to joining ICS, Maddie worked at Jefferies in the Technology group, where she focused on providing merger and acquisition advice and private placements to software companies. Prior to her role at Jefferies, she was employed at AGC Partners, a boutique investment bank focused exclusively on technology companies.

Maddie was recognized by Forbes as a member of its 30 Under 30 class of 2025 in the Sports Category. She was also recognized by the Sports Business Journal as a recipient of its 2023 New Voices Under 30 Award. 

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Maddie graduated magna cum laude from Middlebury College where she received a B.A. in Economics and was a member of the women’s hockey team.

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An is responsible for advising and executing on M&A, capital raising and financing advisory transactions across the sports, media, and entertainment ecosystem. An has advised on a number of transactions across the top men’s and women’s professional sports leagues in North America and premier European football divisions, including teams such as Real Salt Lake & Utah Royals, Edmonton Oilers, NJ/NY Gotham FC, and Chicago Red Stars, among others. He also advised the National Women’s Soccer League (NWSL) on the sales of the Bay Area expansion franchise to a group led by Sixth Street and Boston expansion franchise to a group led by Jennifer Epstein. In addition, An has advised on various M&A processes and capital raises for companies in the broader sports technology and services space like the sale of esports team FlyQuest to the Viola Family, as well as on several stadium advisory projects, including the redevelopment of the Memorial Stadium in Seattle, Washington.

An joined the firm in the spring of 2022.

Directly prior to joining ICS, An held a finance and strategy role at Virta Health, a late-stage digital health company, as well as a part-time role at Soccerlytics, a data-driven consulting and analytics firm with a client base of domestic and international soccer clubs. Prior to those roles, An worked at UBS in their Global Healthcare Investment Banking Group, where he worked on various M&A, leveraged buyouts, and debt and equity transactions, including Siemens Healthineers’ $16 billion acquisition of Varian Medical and Icon’s $12 billion acquisition of PRA Health Sciences.

In 2024, An was recognized by the Sports Business Journal as a recipient of its New Voices Under 30 Award.
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An graduated from Yale University where he received a B.A. in Economics and was a member of the men’s varsity soccer team.

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Tori is responsible for advising and executing on M&A, capital raising and financing advisory transactions across the sports, media, and entertainment ecosystem. She has advised on numerous transactions across the top men’s and women’s professional sports teams and leagues, including the Tampa Bay Lightning and the National Women’s Soccer League (NWSL), as well as several stadium and arena financing advisory projects.
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Tori joined the firm in the summer of 2023. Prior to joining ICS, she was an Analyst at Citi in their Media & Telecommunications group. During her time at Citi, she worked on various mergers and acquisitions and debt and equity capital raises across the sports, music and media sectors.
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Tori graduated cum laude from Boston College where she received a B.S. in Finance and Accounting and a B.A. in Psychology.

Tommy is responsible for executing M&A advisory, capital raising and valuation transactions in the global sports industry. Tommy joined the firm at the start of 2024.

Prior to joining ICS, Tommy was an Analyst at Wells Fargo in their Industrials group. During his time at Wells Fargo, Tommy worked on various mergers and acquisitions and debt and equity capital raises across the chemicals, metals, transportation and logistics sectors.

Education: Tommy graduated from the University of Virginia where he received a B.A. in Economics.

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Tanner is responsible for executing M&A advisory, capital raising, and valuation transactions in the global sports industry. He joined the firm in 2024.
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Prior to ICS, Tanner was an Associate at BMO Capital Markets in their M&A group. During his time at BMO, he worked on various public and private transactions in the consumer, healthcare, industrials, technology, and professional sports industries.
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Tanner holds a Master’s of Management Studies from the Fuqua School of Business at Duke University and a B.A. in Economics with a minor in Data Analysis from Wesleyan University, where he was a member of the varsity baseball team.

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Mr. Abrams has over three decades of experience as a lead investment banker and advisor for numerous public and private assembly facilities including the financing of stadiums, arenas, and other sports venues. He has advised on the funding for numerous professional sports stadiums and arenas such as in the purchase of MSG by Cablevision, the development of the Amerant Bank Arena for the Florida Panthers, Climate Pledge Arena on behalf of the City o Seattle, Little Ceasars Arena for the Detroit Red Wings, Ball Arena for the Denver Avalanche and Nuggets, and the Spectrum Arena for the City of Charlotte. Mr. Abrams has also advised on several NFL stadium projects including Atlanta, Houston, Miami, Tampa, Jacksonville and Nashville, as well as a number of projects in the pipeline.  Mr. Abrams has had a role in funding numerous other sports facility projects including major and minor league baseball stadiums, motorsports parks, tennis centers, and golf courses. He has represented many municipal and private sector clients in the funding or negotiations of over $20 billion of sports facilities. Mr. Abrams represents several private sector and governmental clients in the negotiation and development of sports facilities throughout the United States where he specializes in negotiations and financing solutions.
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Mr. Abrams joined Inner Circle Sports from advisory firm Strategic Advisory Group where he was a Principal. Prior to SAG, Mr. Abrams was a Managing Director in Fixed Income at Jefferies LLC and has held senior investment banking positions with Bank of America/Merrill Lynch, Morgan Stanley, A.G. Edwards and Bear, Stearns & Co Inc. Mr. Abrams is a frequent speaker at sports facility financing symposiums, and he is a Clinical Associate Professor at NYU's Preston Robert Tisch Institute for Global Sport.
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Mr. Abrams has a Bachelor of Science in Economics from the Wharton School of the University of Pennsylvania and a Master of Business Administration from Northeastern University in Boston.

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Mary is the Chief of Staff at Inner Circle. She assists in driving strategic initiatives and manages operational efficiency in a cross-functional environment. Mary ensures seamless execution of key projects, alignment of business priorities, and effective stakeholder engagement. She oversees internal operations and ensures an exemplary experience for all ICS Stakeholders. She has 9 years of experience across a multitude of industries. She joined the firm in 2021.
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Mary graduated cum laude from Fordham University with her Master’s of Science in Management from the Gabelli School of Business. She received her Bachelor's of Science with a double minor from Pace University in New York City.

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