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Donald M. Haiges, PE
Principal

Don holds a BS in Architectural Engineering from Penn State University. The benefit of this engineering degree is the added focus on building services and the integration of engineering into buildings. For 30 years, Don has been practicing building service and mechanical engineering, serving clients across the United States. His experience includes designing engineering systems across market sectors; however, the main focus of his career has been high-end, large-scale academic, commercial, research, and pharmaceutical facilities. Don is a registered engineer and certified with the National Council of Examiners for Engineering and Surveying. He is a member of the American Society of Heating, Refrigerating, and Air Conditioning Engineers, and the International Society for Pharmaceutical Engineering.


Contact SEi Companies…

...in Boston, MA
88 Black Falcon Avenue, Suite 210
Boston, MA 02210-2414
Main Telephone: 617.210.1600
Fax: 617.210.1800
info@seicompanies.com



Robert Gracilieri, PE
President, CEO
Phone: 617.210.1616
rgracilieri@seicompanies.com

Michael Brown
Principal
Commercial, Education
Phone: 617.210.1743
mbrown@seicompanies.com

Paul A. Corrado, PE, LEED
Principal
Education, Healthcare, Cultural, Science, Utility
Phone: 617.210.1619
pcorrado@seicompanies.com

Robert Flaherty, PE, LEED
Principal
Commercial, Education, Healthcare, Cultural, Science, Utility
Phone: 617.210.1727
rflaherty@seicompanies.com

Michael Fournier, PE
Associate Principal
Healthcare, Science
Phone: 617.210.1819
mfournier@seicompanies.com

Donald Haiges, PE
Principal
Commercial, Education, Healthcare, Cultural, Science, Utility
Phone: 617.210.1822

dhaiges@seicompanies.com

Patrick McAleese, PE
Principal
Operations
Phone: 617.210.1712
pmcaleese@seicompanies.com BIO

Stephen Ritchie
Principal, CFO
Phone: 617.210.1841
sritchie@seicompanies.com
BIO

Anastasia Vassos
Senior Associate
Business Development
Boston
Phone: 617.210.1840
avassos@seicompanies.com
BIO

Mark Warren, CCP, LEED
Associate Principal
Facilities
Sustainable Engineering, Commissioning, Commercial
Phone: 617.210.1831
mwarren@seicompanies.com
BIO