We combine our 20+ years of experience in the tennis industry (club management, event/tournament production, sponsorship development, teaching, community outreach) with an established team of marketing/digital professionals to serve the tennis industry.


Israel Castillo // Vice President

  • • 27 years as a tennis industry professional
  • • Advisory Board member at ProLink Live Sports & Entertainment
  • • 1997-2010 Director of Tennis at Barton Creek Resort & Club
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Mr. Castillo is Vice President of Center Court Marketing, an agency that specializes in providing digital marketing solutions to the tennis industry. He previously served as Chief Marketing Officer for ProLink Live Sports & Entertainment from May 2010 to September 2014 Director of Tennis at Barton Creek Resort & Club from 1997 - 2010. While at Barton Creek, Mr. Castillo produced USTA Pro Circuit events, "Lessons for Life" benefiting Livestrong and served on the Club Corp National Tennis Committee. Having attended high school and college in the San Francisco bay area, Israel is an avid 49er and Giants fan. He has also been known to wake up very early to catch Formula 1 races. Last but not least, Israel has a son and daughter who keep him young, laughing and on his toes at all times.

Grant Chambers // CEO

  • • Founder of Workhorse Digital in 2003

  • • Chair, USTA Texas Marketing Committee, 6 years

  • • Former Assistant Director of Marketing, USTA Texas
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For more than 14 years, Grant has provided marketing, branding and internet strategy services to businesses ranging from small start-ups to Fortune 100 companies. Over the past 11 years, he has specialized in the strategy and execution of hundreds of digital projects including website design/development, HTML email campaigns, web-based application development, social media, corporate branding and more. Grant is known by his peers to possess a modern knowledge of the internet and how a business may strategically integrate to drive sales, customer service, product or service education and corporate branding. Previously, Grant held the position of Assistant Director of Marketing for the United States Tennis Association Texas Section, one of Texas’ largest membership organizations of 50,000+. He is the current Chair of the USTA Texas Marketing Committee. Work, family and play blend his days together. If he's not playing or working in tennis, one of his two kids is on the court (with dad, mom or a coach), his wife Melissa (whom works in tennis) is talking tennis, he's relaxing with The Tennis Channel, volunteering (in tennis) or planning the next family trip to a pro event.

The Team

Meet your team of digital marketers, brand enthusiasts, social media strategists, graphic designers, coders, publicists and all around smart people

Theresa Andrews

Chief Operations Officer

Thomas Bacon

Chief Technology Officer

ALex Bajoris

Director of Development

Allie Higgs

Senior Interactive Producer

Cameron Ayala

Director of Business Development

Becky Mortlock

Creative Director

Megan Carnathan

Social Media Manager

Patrick Lillard

Senior Visual Designer

Kira Arnise

Interactive Producer

Sarah Ricker