Mark Sengelmann

Firm Principal

A native of Columbus Ohio, Mark found his interest in architecture at a young age. Mark earned a Masters in Architecture from the University of Illinois and an undergraduate degree in Environmental Design from Miami University in Oxford Ohio.

In 1989 Mark founded his own firm, Port City Architecture. After selling his stake years later, he founded a new firm: Port City Design, since renamed ALPHAarchitects in 2008. Mark is a licensed architect in Maine and Massachusetts and is a member of the National Council of Architectural Registration Boards.

Chris Keyes

Project Manager

Chris has been collaborating with ALPHAarchitects since 2003.  His skills with AutoCAD have been of extreme value to the company and its growth and maturity over the years.  During his time, Chris has done more than manage the CAD department; his responsibilities have ranged from outsourcing engineering, landscape architecture, and interior design.

Chris graduated from Wentworth Institute of Technology in 1997, in Boston, Massachusetts.  He is a native of Maine, where he spent majority of his childhood in Windham, Maine.

Seth King

Project Manager

Seth is an experienced architect, having a background in large scale commercial projects, multifamily apartment buildings, and boutique residential projects. He has a passion for sustainability, art, modern architecture, and is a certified passive house designer.

About Us

ALPHAarchitects is a New England Architecture firm that prides itself on its ability to listen and respond to its clients’ needs in a prompt and effective manner. We have found that our involvement in projects from concept to completion greatly enhances the value of the property. Our goal initially is to form a working partnership with each client based on trust. We strive to fully understand the parameters of each unique site with regard to quality of light, views, weather patterns and native vegetation. Listening and being aware of our clients needs is essential for successful project collaboration.

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