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  Team

At A Glance


12 investment professionals

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

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Tim Ristoff | Operating Consultant Partner

email   949.218.4830    vCard

Since 2007, Windjammer has worked closely with Tim Ristoff and TriVista to execute operationally oriented value enhancement projects across many platform investments. Tim is CEO of TriVista Business Group, an operational advisory firm with offices in the United States and China and over 30 operating executives with a wide variety of industry experiences and functional skill sets. Tim brings to the firm over 25 years of experience in manufacturing, operations and general management. Previously, Tim was President of ITT Industrial Electronics Group, a $450 million division of ITT Industries, President of ITT Switch Products, President of ITT Jabsco, and Vice President and General Manager of TRW Sensors and Components. Tim received a bachelor's of science in marketing from Miami University (Ohio), and a master's of business administration in corporate strategy from the Graziadio School of Business and Management at Pepperdine University. Tim has completed an extensive executive leadership program at Ashridge University, England, and received his Six Sigma Green Belt certification from the University of Michigan.  Tim is a member of the Board of Directors of Children’s Hospital Orange County (CHOC).   He currently serves as a member of the Board of Directors for JWC Environmental and previously served as a Special Advisor to the Board of Maxcess International Corporation.

NEWPORT BEACH

Managing Principal
Robert (Bob) Bartholomew

Managing Director
Jeff Miehe

Principal
Matt Anderson

Vice President
Ryan Pertz

Associate
Trent Hegseth

BOSTON

Managing Principal
Costa Littas

Managing Director
Gregory J. Bondick

Managing Director
John Donahue

Principal
Craig S. Majernik

Senior Associate
Rob Madorsky

Senior Associate
Peter McGah

Associate
Vidur Mittal

OPERATING EXECUTIVE TEAM

Operating Director
Brandon Edlefsen

Operating Director
Helen Ruth

Operating Consultant Partner
Tim Ristoff

Operating Consultant Partner
Tony Sugalski

FINANCE & MARKETING

CFO & CCO
Jeffrey J. Dunnigan

Marketing Director
Michael Bartholomew

Marketing Director
Kerry Muse

Portfolio Manager
Connie Choung

Controller
Shannon Moffett