After 30 years of dedication to the MACC Fund as both a co-founder and a dedicated volunteer, Jon joined the staff in 2006 as President of the MACC Fund. Jon works with the board and other staff on the development of integrated major gift program with the MACC Fund sponsors, donors, prospects and beneficiaries.

Best known as “Jonny Mac” during his NBA days playing for the Milwaukee Bucks, Jon enjoyed an eleven-year career in the NBA. “The Original Buck” appropriately scored the Buck’s first point. Highlights include playing on the 1969 NBA All Star team, starting on the Milwaukee Bucks 1971 World Championship Team and serving as a NBA Player Representative for five years.

Jon was inducted into the State of Indiana High School Basketball Hall of Fame, the Wisconsin Sports Hall of Fame, and the Wisconsin Coaches Hall of Fame.

Continuing his relationship with the NBA and professional sports, Jon can be heard as a color analyst on Fox Sports Wisconsin.

Becky joined the MACC Fund staff in 2007 as the Chief Operating Officer after being a “go-to” volunteer for the MACC Fund for over a decade. Becky brings many years of development experience to her position. She holds a Bachelor of Arts degrees and a Masters of Science in Management from Cardinal Stritch University in Milwaukee. Becky is also an adjunct instructor at Cardinal Stritch University.

Colleen joined the MACC Fund in 1993, after graduating with a B.A. in Journalism from the University of Minnesota.   As a development officer, Colleen organizes and manages the MACC Fund’s largest annual fundraising event, the Trek 100 – Ride for Hope, which attracts nearly 2,500 riders raising fund for childhood cancer research.

In 2001, Colleen was selected as one of the Business Journal’s “40 Under Forty”, for her work at the MACC Fund. She brings a passion for sports and a love of people to her position at the MACC Fund.

Michael joined the MACC Fund staff in August of 2016 after spending the previous four years as the Assistant Golf Coach at Marquette University, his alma mater. While coaching, he helped lead the team to its second Big East Conference Championship in program history! Through his coaching background, Michael brings a positive energy, commitment to success, and passion for helping others to his position as Development Officer for the MACC. Michael played Division I college golf at Marquette, where he received a Bachelor’s Degree in PR/Advertising in 2008. He is married to Carley Bielawski, and is the proud father of Noah who was born in 2017!

Karen transferred to the MACC Fund staff, as Financial Officer, in 2008 through her volunteer position at the Ronald McDonald House of Milwaukee.  After graduating from St. Norbert College, she worked in corporate accounting prior to her move into the non-profit community and the MACC Fund.