Wielansky is currently on the boards of Acadia Realty Trust and Brookdale Senior Living. He joined Acadia in 1999 and Brookdale in 2015. He is currently lead trust of Acadia Realty Trust. Additionally he was the founder of Midland Development Group, Inc in 1983 which was sold to Regency Centers in 1998. Midland was focused on Development of retail shopping centers in the Midwest and southeast. Wielansky formerly served as Chief Executive Officer of JDN Realty Corporation through its merger with Developers Diversified Realty Corporation in 2003.
Wielansky was also a director of Pulaski Bank and Isle of Capri. He is currently Chairman and CEO of Midland Development Inc. He is also a member of the National Association of Corporate Directors, as well as a past president of the Real Estate Board of Metropolitan St. Louis and United Hebrew Congregation.