COG Advisor Profiles

Mark Callahan

Real Estate Advisor
315-263-5707
mark@columbusandover.com

Mark has been working in Boston’s real estate development and construction industries since 2010. Currently, Mark is an Associate with CIM Group, focusing on large scale commercial and multi-family developments in the Boston area. Previously, Mark worked as a Project Manager for New Boston Ventures, one of the premier boutique real estate developers in Boston. Mark got his start in Boston with Suffolk Construction, and is also a licensed contractor in the state of Massachusetts.

Drawing upon his experience as both a developer and a contractor, Mark brings a unique perspective to all of his clients. His pragmatic approach and diligence make him an ideal adviser for any client.

Mark earned his undergraduate degree in business economics from Brown University and has a Masters Degree in Real Estate Development from MIT. Mark and his wife Katie reside in the South End.

Founder and Managing Principal
617-645-3407
Principal
617-275-3579
Real Estate Advisor
617-943-3861
Real Estate Advisor
603-966-7580
Real Estate Advisor
315-263-5707
Real Estate Advisor
781-635-6597
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