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At A Glance

12 investment professionals

More than 100 years of combined experience investing in leading middle market companies

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Helen Ruth | Operating Director

email   781.530.9132    vCard

Helen joined Windjammer in 2015. Prior to joining Windjammer, Helen was a Vice President and General Manager at Emerson Process Management with responsibility for the Liquid Analytical and Combustion businesses. During her eight year career with Emerson, Helen held various positions in Strategic Planning, Marketing, Product Management and Sales at multiple locations and businesses across the United States and in Singapore. At Windjammer, Helen's primary focus is to work with the portfolio companies to drive organic growth but she is also involved in the evaluation of investment opportunities from an operational perspective, performing operational due diligence, and monitoring portfolio company performance. She currently serves on the boards of Advanced Instruments, Engineered Controls International, and Heritage Food Service Group.  She previously served on the board of JWC Environmental. Helen received her BS in Industrial Engineering from Kettering University and her MBA from the Harvard Business School. She is located in the Firm's Waltham office.


Managing Principal, Founder
Robert (Bob) Bartholomew

Managing Principal
Jeff Miehe

Managing Director
Matt Anderson

Vice President
Ryan Pertz

Trent Hegseth


Managing Principal
Costa Littas

Managing Principal
Gregory J. Bondick

Managing Director, Business Development
John Donahue

Managing Director
Craig S. Majernik

Managing Director
Rob Quandt

Senior Associate
Rob Madorsky

Senior Associate
Peter McGah

Sam Beach

Jeff Jay


Operating Director
Brandon Edlefsen

Operating Director
Helen Ruth

Strategic Consultant
Anne De Greef-Safft

Strategic Consultant
Tim Ristoff

Strategic Consultant
Tony Sugalski


Jeffrey J. Dunnigan

Marketing Director
Michael Bartholomew

Marketing Director
Kerry Muse

Portfolio Manager
Connie Choung

Shannon Moffett