WTT Leadership



Mark D. Ein is an investor, entrepreneur and philanthropist, who has created, acquired, invested in and built a series of growth companies across a diverse set of industries over the course of his 22 year career. During this time, Mr. Ein has been involved in the founding or early stages of six companies that have been worth over $1 billion and has led over $600 million of private equity, venture capital and public company investments generating an internal rate of return of 34%.

Currently, Mr. Ein is the founder and CEO of Venturehouse Group, LLC, an investment holding company; Chairman and CEO of Capitol Acquisition Corporation 2 (NASDAQ:CLAC), a public company formed in May 2014 with $200 million for the purposes of making an acquisition. Through Leland Investment Co, his personal investment holding company, he serves as the Co-Chairman and Principal Shareholder of Kastle Systems, LLC, the country’s leading provider of managed security systems for commercial office buildings; Chairman and Lead Investor of Reed Krakoff Inc., a global luxury clothing and accessories company; and, the Vice-Chairman of Two Harbors Investment Corporation, (NYSE:TWO) one of the largest residential mortgage REITs.

Mr. Ein is also the Founder and Owner of the Washington Kastles, his hometown’s World TeamTennis (WTT) franchise. After just nine years in the league, the Kastles have captured the coveted King Trophy a record-tying six times (2009, 2011, 2012, 2013, 2014, 2015). The 2011 Kastles made history by becoming the first team in the 36-year history of the league to complete a perfect season (16-0). The 2012 Kastles repeated this remarkable feat with a second-straight undefeated season.

In March 2017, Ein led the purchase of World TeamTennis league to become the new majority owner alongside Fred Luddy.


Luddy is a majority Owner of WTT and the owner of the San Diego Aviators. After three years in the League, the Aviators captured their first championship in 2016.

Fred’s lifelong passion for professional tennis began as a ball kid for Arthur Ashe, Stan Smith, Bob Lutz and other greats of the early open era. As a kid, he got to stand up close to the greatest players in the world; as a WTT team owner, he is proud to be able to offer the same experience to Aviator’s fans old and young alike.

At the age of eighteen, Luddy’s very first software program automated supply chain and maintenance purchasing processes for a business unit of American Standard. Luddy founded the cloud computing company ServiceNow (NYSE: NOW) in June 2004 and currently serves as a Board Member.


As one of the 20th century's most respected and influential people, Billie Jean King has long been a champion for social justice and equality. She created new inroads for both genders in and out of sports during her legendary career and she continues to make her mark today. She was honored on August 28, 2006, when the National Tennis Center, home of the US Open, was renamed the USTA Billie Jean King National Tennis Center.

In 1974, King co-founded World TeamTennis and has remained heavily involved with the league throughout its 42 seasons. In March 2017, King sold her majority ownership stake of World TeamTennis to Ein and Luddy. King remains a minority owner of WTT and currently owns the Philadelphia Freedoms and heads up the Billie Jean King Leadership Initiative. She also serves on the executive boards of the Women's Sports Foundation (which she founded) and Elton John AIDS Foundation (EJAF).


ILANA KLOSS, CEO/Commissioner

Kloss is one of the most accomplished women on the administrative side of sports after a successful tennis career that saw her reach world No. 1 in doubles and win two Grand Slam titles.

Kloss’ primary focus at WTT is on national sponsorships, strategic planning, media partnerships and expansion. The league celebrated its milestone 40th season in July 2015, one of only five major pro sports leagues in the U.S. to reach that mark. She is also actively involved in the Women’s Sports Foundation (WSF) as a member of the executive board and past WSF board chair. She serves on the executive boards of the Elton John AIDS Foundation, Billie Jean King WTT Charities and the Tennis Industry Association and is a co-founder of the Billie Jean King Leadership Initiative.

ROSIE CREWS, Senior Vice President, Communications

Rosie joined WTT in 2006 and is responsible for communications and media relations. Previously, Crews worked for an international sports and event marketing agency where she supervised WTT and other tennis accounts. She has a diverse background in sports and entertainment. Crews has led PR and event marketing initiatives for major events and corporate clients including the Olympics, Kentucky Derby, Sundance Film Festival, Diageo, Philip Morris, and numerous sports properties. Crews graduated from the University of Texas at Arlington with a B.A. in Communications (Journalism).

NANCY FALCONER, Office Manager

Nancy joined WTT in June 2010 and is responsible for daily office management, benefits administration, and League, staff and special events support. She is also the executive assistant to WTT CEO/Commissioner Ilana Kloss. Prior to joining WTT, Falconer was a high school physical education teacher and assistant to Martina Navratilova. Falconer graduated from Trenton State College with a B.S. in health and physical education.

MATT FITZGERALD, Vice President, Digital & Manager, Player Operations

Matt joined WTT in July 2013 and is responsible for digital initiatives including administration of WTT.com and social media channels and content development for web and TV broadcasts. Fitzgerald also manages player relations, including recruiting, researching and signing talent for the league's pro league franchises. Fitzgerald was previously a web editor for the ATP World Tour. Fitzgerald graduated from Stetson University in 2010 with a B.B.A. in General Business, with minors in Marketing and Sport Management.

JASON SPITZ, Senior Vice President, Marketing

An 18-year veteran of WTT, Jason is based out of the New York office and is responsible for all marketing initiatives including: brand positioning, TV production and rights negotiation, sponsorship activation and digital assets including WTT.com. Prior to joining WTT, Spitz worked in advertising at Young & Rubicam and TBWA/CHIAT DAY where he managed accounts for a number of leading corporations, including: Bic, Blockbuster, Molson Beer, Novartis, Prodigy Internet, and Xerox. Spitz earned his B.S. in marketing and communications from Boston University.


DELAINE MAST, National Director, WTT Community Tennis

Delaine joined WTT in 1986. She is based in Lancaster, Pa., and is responsible for overseeing the WTT Recreational League programs and assisting Local League Directors and Community Tennis Associations across the country with developing and administering WTT Recreational Leagues. Delaine also oversees the WTT Corporate Leagues, the WTT Junior Nationals and X TeamTennis High School Regional Championships. In 1998, WTT co-founder Billie Jean King established the “Delaine Mast Award” in her honor to annually recognize a male and female WTT League Director that has helped to grow tennis in their community. Mast and her family (husband Doug and sons Darren and Alex) were named the 2004 USTA Family of the Year Award and the 2003 Middle States Family of the Year Award. She graduated from the University of Tennessee with a B.S. in Education with a focus on Private and Commercial Recreation.

JENNIFER SMITH, Director, WTT Recreational Tournaments

Jennifer joined WTT in February of 1999 as an intern and became a full time employee later that year. In 2000, Smith served as a National Program Coordinator for the WTT Recreational League before becoming the Event Manager in 2001. As Event Manager, Smith coordinates all aspects of the National Qualifiers and the Nationals for the Recreational League. Smith earned her B.A. in Sports Administration and Management from Simpson College and her M.S. in Physical Education / Sports Management from Western Illinois University. Smith resides in West Des Moines, Iowa.

ELAINE WINGFIELD, Director, WTT Collegiate Competition

Elaine joined WTT in 1986 as a National Program Coordinator while also serving as President of the Chicago Tennis Industry Council. In 1993 she moved to Key Biscayne, FL where in addition to running local WTT Recreational and Corporate leagues in the Miami area, she coordinates university events that lead up to the National Campus Championships. Wingfield is also the Chairperson of the All-Island Tennis Tournament, which raises money for four South Florida non-profit organizations. Wingfield earned her B.S. in Physical Education from Ohio State University.