Signature Associates

We're sorry, but our site is built to take advantage of the latest web technologies that Internet Explorer 8 and below simply can't offer. Please take this opportunity to upgrade to a modern browser, like Google Chrome or Internet Explorer 11.

Contact Us

Team / John Hamburger

  • John Hamburger, J.D.

  • Senior Vice President | Director of Advisory & Management Services
  • Direct: (248) 799 3142
  • Mobile: (248) 763 3363


John is a Senior Vice President of Signature Associates and brings a wealth of knowledge and expertise to the company.  He is experienced in developing, acquiring, building and managing industrial, office, retail, multi-family and mixed-use properties, including financing, constructing, leasing, managing and otherwise.

Prior to joining Signature Associates, John was President/COO of Broder & Sachse Real Estate Services.  In that role, John was responsible for the entire operation of the firm’s real estate services business, including commercial and multi-family property management, oversight of the firm’s financial management, and the firm’s property maintenance departments.

John received a law degree from Emory University School of Law and a Bachelor of Arts degree with distinction in Economics from the University of Michigan. He is a designated Real Property Administrator by the Building Owners and Management Association (BOMA) International, and he is a licensed real estate broker in the States of Michigan. He is a past Chairman of the City of Detroit Planning and Development Department’s Developers Taskforce.

He has served on the Board of Directors of the Sinai Hospital of Metro Detroit’s Development Foundation and the Michigan Cancer Foundation Partners. John also served on the Board of Directors of the Jewish Apartments and Services and was an Officer and Board Member of the Benefactors of the Jewish Home and Aging Services.

Affiliations & Education

  • Juris Doctorate, Emory University School of Law
  • Bachelor of Arts, University of Michigan
  • Member, Michigan Bar Association
  • Member, International Council of Shopping Centers (ICSC)
  • BOMA Real Property Administrator (RPA) Designation
  • Former Chairman, City of Detroit Developers Task Force Member


  • Bank of America
  • Bayview Financial
  • The Cadle Company
  • Cassidy Turley Commercial Real Estate Svcs.
  • City of Detroit
  • Clarkston Medical Group
  • Comerica Bank
  • Community Living Services
  • Credit Acceptance Company
  • Detroit Building Authority
  • DTE Energy
  • Fifth Third Bank
  • Flagstar Bank
  • Great Expressions Dental Centers
  • Park National Bank
  • Trinity Health System
  • US Bank
  • ValStone Partners
  • Walgreens

« Back to Team