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Web_Headshot Sean Rooney

Sean Rooney

Senior Transaction Manager

Sean Rooney Senior Transaction Manager
Cleveland 950 Main Avenue
Suite 200
Cleveland, OH 44113

Sean Rooney is a Senior Transaction Manager on the Advisory & Transaction Services Team based in Cleveland, Ohio managing national and global accounts for several Northeast Ohio Fortune 500 companies.

As a Senior Transaction Manager, Sean’s responsibilities include providing ongoing management of real estate transaction activities for the complex portfolios of our corporate clients. Sean works with clients to identify property solutions that address high level requirements and integrated global solutions.

Professional Experience

Sean began his career with Colliers Ostendorf-Morris in February 2010 as the database and process manager for the Corporate Services Group, responsible for collecting, maintaining, and analyzing global property information and reporting to corporate  clients.

In December of 2014, Sean was promoted to Vice President of the Corporate Services Group at Hanna Commercial Real Estate (formerly Ostendorf-Morris), leading transaction management initiatives, overseeing property databases, reporting, and providing advice with regards to portfolio management.  

Sean served as Senior Vice President of Hanna Commercial’s Corporate Services group from January 2016 – July 2018 where he was responsible for initiating and managing complex global real estate projects for corporate clients addressing high-level requirements and integrated global solutions.  During his time with Hanna Commercial, Sean was a top-10 producer Company-wide in 2014 and 2016.


  • NAIOP 2013 Industrial Transaction of the Year - Lowell Street, Elyria

  • NAIOP 2014 Industrial Traveling Gun Transaction of the Year, Mid Atlantic Distribution Consolidation

  • Urban Development Finance Competition; Finalist among Master’s and PhD Candidates, Cleveland State University 2011


Professional Affiliations

  • Member; NAIOP Northern Ohio Chapter, CoreNet Global Ohio / Kentucky Chapter



  • Master of Urban Planning, Design and Development: Certificate of Real Estate Development and Finance, Cleveland State University Maxxine Goodman Levin College of Urban Affairs, Ohio 2011
  • Bachelor of Science in Psychology, Syracuse University, New York 2008
  • State of Ohio Real Estate License 

Sean Rooney Senior Transaction Manager
Cleveland 950 Main Avenue
Suite 200
Cleveland, OH 44113