William O'Brien

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82 year

Commercial Services

Technology Services

Electronic Technology

Profile

William K.
O'Brien served as the Chief Operating Officer at Coopers & Lybrand LLP.
He was also the Executive Chairman at Enterasys Networks, Inc. and served as a Director at Color Kinetics, Inc., Bentley University, CDM Smith, Inc., Caritas Christi Health Care, and The Boston Chamber of Commerce.
He was an Independent Director at Virtusa Corp.
and Chairman at Mercury Systems, Inc. He received his undergraduate degree from Bentley University.

Former positions of William O'Brien

Companies	Position	End
MERCURY SYSTEMS, INC.	Chairman	2023-10-24
VIRTUSA CORPORATION	Director/Board Member	2019-12-31
Color Kinetics, Inc. Color Kinetics, Inc. Electrical ProductsProducer Manufacturing Designs and markets solid-state lighting systems	Director/Board Member	2007-08-26
Enterasys Networks, Inc. Enterasys Networks, Inc. Packaged SoftwareTechnology Services Provides wired and wireless network infrastructure and security solutions	Chief Executive Officer	2002-12-31
CDM Smith, Inc. CDM Smith, Inc. Engineering & ConstructionIndustrial Services Operates as an engineering and construction firm	Director/Board Member	-

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Training of William O'Brien

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Linked companies

Private companies	10
Enterasys Networks, Inc. Enterasys Networks, Inc. Packaged SoftwareTechnology Services Provides wired and wireless network infrastructure and security solutions	Technology Services
Mercury Systems, Inc. Mercury Systems, Inc. Aerospace & DefenseElectronic Technology Designs, manufactures and markets components, modules and subsystems for aerospace and defense industry	Electronic Technology
Brocade Communications Systems LLC Brocade Communications Systems LLC Packaged SoftwareTechnology Services Provides data center networking solutions	Technology Services
Color Kinetics, Inc. Color Kinetics, Inc. Electrical ProductsProducer Manufacturing Designs and markets solid-state lighting systems	Producer Manufacturing
Virtusa Corp. Virtusa Corp. Miscellaneous Commercial ServicesCommercial Services Provides business consulting and IT outsourcing services	Commercial Services
Coopers & Lybrand LLP Coopers & Lybrand LLP Miscellaneous Commercial ServicesCommercial Services Provides accounting services	Commercial Services
Bentley University Bentley University Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
CDM Smith, Inc. CDM Smith, Inc. Engineering & ConstructionIndustrial Services Operates as an engineering and construction firm	Industrial Services
Caritas Christi Health Care Caritas Christi Health Care Hospital/Nursing ManagementHealth Services Operates as network of hospitals for medical services	Health Services
The Boston Chamber of Commerce The Boston Chamber of Commerce Miscellaneous Commercial ServicesCommercial Services Chamber of Commerce	Commercial Services