Mark began his career at Alexander Grant company where he was an auditor for three years. In 1980 Mark entered the real estate profession and quickly rose to the position of Vice President of Acquisitions for Southmark Corporation where he was responsible for a variety of commercial acquisitions, closing over 400 million dollars in transactions during four years. Later Mark was brought on board by North American Acquisitions, a Toronto based company (a subsidiary of Cadillac Fairview Corporation) to build a presence in Florida where he acquired or developed seven Publix anchored shopping centers.
In 1991 Mark founded the Dartmouth Group, Inc and entitled, developed, acquired, and leased more than fifty shopping centers and twenty land parcels. In 1998 Mark founded Southwestern® Investment Group “SW Group” for the purpose of acquiring, developing, leasing and managing shopping centers and other real estate projects. By 2000 SW Group had a portfolio of 15 shopping centers comprising over 1,800,000 square feet of gross leasable area. In 2009 Mark founded Southwestern® Investment Advisors which acquired some of SW Group’s projects. Then, in 2015, the company changed its name to Southwestern® Property Corp., which better reflects the services that the company provides.
Mark attended Colorado State University, Fort Collins, Colorado and graduated in 1977 cum laude with a B.S. in Business Administration, concentrating in Accounting. He also earned his CPA in 1977. Mark holds a Colorado real estate license.