As a privately held real estate investment firm, Marwick owns, manages, develops, and repositions commercial assets across the East Coast. We bring value to each investment through industry expertise and strategic asset management, maintaining a reputation for knowledgeable, responsible investments across middle-market office, industrial, mixed-use, residential, and retail assets.

What we do

Property Development

Investing in real estate to improve the land and community

Repositioning & Redevelopment

Enhancing assets to maximize investment value

Property Management

Oversee properties and tenants

Asset Management

Create value at each property


Drake G Behrakis


As President of Marwick, Drake is responsible for the execution of the vision, strategy and general oversight of the company. Prior to establishing Marwick, Drake held a number of positions with Muro Pharmaceutical and the Gillette company.

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Drake also remains active in the Behrakis Foundation and the family’s community investments. In 2015 he was the recipient of the Boston College Distinguished Volunteer Award. He serves as Chairman of the Board of Trustees of The National Hellenic Society and is on the Board of Directors/Advisors for The Hellenic Initiative, Boston College, American College of Greece, Hellenic College/Holy Cross, Delphi Economic Forum and The Leadership 100 Endowment Fund. He is also a Board of Overseer at Brigham & Woman’s Hospital and is invested into the Order of St. Andrew.

Drake attended Boston College, and currently resides with his wife and three children and dog, Lola, in Sudbury, Massachusetts. His personal interests include traveling, golf, skiing, and collecting wine.

John Sisk

Asset Manager

John Sisk joined Marwick Associates in 2003 as an Asset Manager. He is responsible for all aspects of the real estate portfolio including acquisitions, disposition, leasing, construction and property management. Prior to joining Marwick, John was an Asset Manager with The RMR Group in Newton, where he was responsible for a national portfolio of government-leased properties.

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John holds an RPA designation from BOMA. John graduated from Bentley College and now lives in Needham with his wife and daughter.