Sherry is Senior Vice President - Leasing at GK Development, Inc., where she curently directs all leasing activities for the company's entire commercial portfolio. Under her leadership, GK Development, Inc.'s aggregate occupancy rate is 92% for all properties; and a staggering 97% of tenants have renewed their leases. Mast joined GK Development, Inc. as a property manager in 1997. She was promoted to direct all the leasing for GK's regional malls, neighborhood centers and office properties.
Prior to her 14 year tenure with GK Development, Inc., Mast spent four years as a Quality Assurance Associate for Hyatt Hotel Corporation before joining the national bakery supply company, BakeMark as Marketing Manager. There she worked extensively with national retailers such as Starbucks Coffee and Wal-Mart.

Mast is a licensed real estate broker with her bachelors degree in corporate communications from Northern Illinois University.