Our Staff

Jay Massart
Executive Director

Jay Massart is responsible for the day-to-day operations of MTEF.  Under Massart’s leadership, MTEF has become a strong organization that impacts the tennis landscape in the Milwaukee area.

Winner of Wisconsin’s prestigious Bill Letwin Award in 2001 and the USTA Eve Kraft Award in 2003, for contributions to the community and ongoing development of tennis, Massart began teaching the game he’s played since childhood in 1983.  He is his 19th summer as the director of tennis at Milwaukee Country Club, and he has been a teaching pro at the Elite Clubs for 15 years.

Massart is one of only three USPTA Master Professionals in Wisconsin.  A member of the Midwest USPTA Hall of Fame, Massart is the current chair of the USTA NJTL National Committee and an at-large member of the WTA Management Committee.

Diana Miramontes
Office Manager

Diana Miramontes studied computer technology at Mount Mary College and has worekd as an adminsitrative assistant for a number of companies and organizations, including Bell Ambulance, The Private Industry Council of Milwaukee County, and the Journey House Youth Center.  A Milwaukee native, Miramontes is fluent in both English and Spanish.

Wendy Orthober
Controller

Wendy Orthober graduated from Miami Univerity (Oxford, OH) in 1989 with a degree in accounting. She received her CPA in Novermber 1989.  Orthober worked for the accounting firm of Ernst & Young in the audit department in Chicago from 1989-1990.

After getting married, she moved back to Milwaukee and worked for Marshall & llsley Corporation in the Internal Audit Division from 1990-1992.  Orthober moved into M & I’s Capital Market Group in 1992 as their CFO. 

In 2002, after her third child was born, Orthober “retired” from the CFO job and now works on a part-time basis as the director of investor realtions.