Windjammer Capital Investors

Windjammer Team

Aidan Balboni

Senior Associate

Boston
781.530.9126
Email

Gregory Bondick

Managing Principal

Boston
781.530.9121
Email

Bronwyn Davies

Associate

Boston
781.530.9144
Email

Matt Dickman

Senior Associate

Newport Beach
949.720.4219
Email

John Donahue

Managing Director, Business Development

Boston
781.530.9161
Email

Brandon Edlefsen

Operating Director

Boston
781.530.9133
Email

Alex Farley

Compliance/Special Projects Coordinator

Newport Beach
949.720.4214
Email

Jonathan Hallal

Associate

Boston
781.530.9137
Email

Andrea Healy

Executive Assistant

Boston
781.530.9123
Email

Trent Hegseth

Principal

Newport Beach
949.720.4201
Email

Lawrence Hu

Vice President

Newport Beach
949.572.1447
Email

Erik Johnson

Operating Director

Newport Beach
949.720.4206
Email

Katie Karlson

Executive Assistant

Boston
781.530.9124
Email

Evan Klebe

Managing Director

Newport Beach
949.720.4211
Email

Craig Majernik

Managing Director

Boston
781.530.9122
Email

Peter McGah

Principal

Boston
781.530.9136
Email

Jeffrey Miehe

Managing Principal

Newport Beach
949.720.4205
Email

Beki Miller

Executive Assistant

Newport Beach
949.720.4240
Email

Tejas Nair

Associate

Newport Beach
949.720.4216
Email

Michaela Patterson

Administrative Assistant

Newport Beach
949.720.4207
Email

Ryan Pertz

Managing Director

Newport Beach
949.720.4220
Email

Robert Quandt

Managing Director

Boston
781.530.9130
Email

Grant Ristoff

Analyst

Newport Beach
949.720.4209
Email

Gianluigi Sepe

Principal

Boston
781.530.9127
Email

Dhruv Shah

Associate

Boston
781.530.9143
Email

Scott Sorensen

Associate

Newport Beach
949.763.1839
Email

JT Townsend

Operating Director

Boston
781.530.9132
Email

Stephan Wenkel

Associate

Newport Beach
949.308.2299
Email

Ryan Wolfsberg

Vice President, Business Development

Boston
781.530.9135
Email

Strategic Consultants & Advisors

Robert Bartholomew

Managing Principal, Founder

Newport Beach
949.720.4203
Email

Costa Littas

Managing Principal, Co-Founder

Boston
781.530.9160
Email

Paul Miller

Strategic Consultant

Boston
847.942.8211
Email

Tim Ristoff

Strategic Consultant

Newport Beach
949.218.4830
Email

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PORTFOLIO COMPANIES

Former Board Affiliations

Infinite RF
BBB Industries
Automatic Bar Controls
S.T. Specialty Foods
New West Holdings
Sleepmaster
PCA Parking Company of America
Corrections Corporation of America

Robert Bartholomew

Managing Principal, Founder

Newport Beach
949.720.4203
bob@windjammercapital.com
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LinkedIn

Bob serves in an Advisory role to the firm and is actively engaged in historical investments.

Bob has more than 35 years of investment experience, including over 21 years in private equity. Prior to founding Windjammer, Bob was affiliated with Pacific Life Insurance Company where he made a wide variety of investments on Pacific Life’s behalf. He co-founded the insurance company’s mezzanine and equity investment operations under the banner of Pacific Mezzanine Investors (PMI), a joint venture with Windjammer Capital, in 1990. Prior to Pacific Life, Bob spent 10 years with Bank of Boston specializing in middle-market, multinational, high technology lending. Additionally, he ran the Bank of Boston International, a subsidiary bank of Bank of Boston located in Los Angeles.

FORMER EXPERIENCE

Pacific Life Insurance Company
Bank of Boston

EDUCATION

Rutgers University - MBA
Rutgers University - BA

PORTFOLIO COMPANIES

Former Board Affiliations

Engineered Controls International
Global Claims Services
Protective Industries ("Caplugs")
Rotex Holdings
JWC Environmental
McKenzie Sports Products
The RETEC Group
Contech Construction Products
Iron Age
CT Farm and Country
National School Supply

Costa Littas

Managing Principal, Co-Founder

Boston
781.530.9160
clittas@windjammercapital.com
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Costa serves in an Advisory role to the firm and is actively engaged in historical investments.

Costa has over 40 years of investment experience, including 30 years in private equity, of which 17 years are at Windjammer. Costa is a member of the firm's Management Committee as well as its Investment Committee. During his tenure with Windjammer, he has been responsible for the overall strategic direction of the Firm and management of the investment staff, diligence/operating protocols, the partnerships, and administrative functions.

FORMER EXPERIENCE

Butler Capital Corporation
Bank of Boston

EDUCATION

The University of Chicago Booth School of Business - MBA
Georgetown University - BA

Aidan Balboni

Senior Associate

Boston
781.530.9126
abalboni@windjammercapital.com
LinkedIn

Aidan joined Windjammer in 2024 with a background in private equity and mergers & acquisitions. At Windjammer, he is responsible for sourcing and evaluating investment opportunities, performing due diligence, transaction execution, and portfolio company management.

FORMER EXPERIENCE

Prospect Hill Growth Partners (formerly J.W. Childs Associates)
Raymond James

EDUCATION

Tuck School of Business at Dartmouth – MBA
Boston College – BA

PORTFOLIO COMPANIES

Current Board Affiliations

Bio X Cell
Radix Wire & Cable
Fecon
Hilco Vision
TRG
Component Hardware Group
Propell

Former Board Affiliations

Hermetic Solutions Group
Parts Town
Heritage Food Service Group
Advanced Instruments
Protective Industries ("Caplugs")
S.T. Specialty Foods
Rotex Holdings
Maxcess International

Gregory Bondick

Managing Principal

Boston
781.530.9121
gbondick@windjammercapital.com
vcard
LinkedIn

Greg joined Windjammer in 2000 to help establish the firm's East Coast presence and has over 25 years of investment experience. At Windjammer, Greg is a member of the firm's Management Committee and its Investment Committee. In addition, he sources, evaluates and closes new investments and has a primary role in monitoring portfolio company performance.

FORMER EXPERIENCE

Prudential Capital, Corporate Finance Group

EDUCATION

The University of Texas at Austin - BBA
Chartered Financial Analyst

PORTFOLIO COMPANIES

Current Board Affiliations

TRG
Flinn Scientfic
Hilco Vision

Former Board Affiliations

Heritage Food Service Group

Paul Miller

Strategic Consultant

Boston
847.942.8211
paul@pmadigital.solutions
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LinkedIn

Paul is a global executive with over 25 years of marketing, eCommerce, and Big Data leadership experience. He provides advisory and consulting services to companies that need to accelerate their sales through digital channels.

Paul, working through PMA Digital Solutions, LLC, has been engaged to provide strategic advice to Windjammer, with a focus on eCommerce and digital transformation. Most recently, he was VP & President, Global eCommerce, Innovation, and Big Data at Grainger (NYSE: GWW) where he grew the business from $1.2 billion to over $4 billion. Prior to Grainger, Paul led a start-up division of a venture-backed company, Enservio, that serviced property insurance carriers and was sold to a strategic partner; was Senior Vice President, Direct Commerce for Sears Holdings Corporation (NASDAQ: SHLD); and Vice President, eCommerce for Williams-Sonoma Inc. (NYSE: WSM), leading Internet and catalog activities. In addition, he was on the board of Demandware, an eCommerce platform provider that went public and was later sold to Salesforce.com (NYSE: CRM).

FORMER EXPERIENCE

Grainger (NYSE: GWW)
Sears Holdings Corporation (NASDAQ: SHLD)
Williams-Sonoma Inc. (NYSE: WSM)
Kraft (NYSE: NASDAQ: KHC)
Clorox (NYSE: CLX)

* Strategic Consultants are third-party consultants that provide services to Windjammer Capital Investors and portfolio companies of Windjammer Capital Investors, and are not employed by Windjammer Capital Investors or its affiliates.

PORTFOLIO COMPANIES

Former Board Affiliations

JWC Environmental
Maxcess International Corporation

Tim Ristoff

Strategic Consultant

Newport Beach
949.218.4830
tim.ristoff@trivista.com
vcard
LinkedIn

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 has 85 operating executives with a wide variety of industry experiences and functional skill sets. Tim brings to the firm over 30 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 is a former member of the Board of Directors of Children’s Hospital Orange County (CHOC) and is currently Vice Chairman of the Board of Jserra Catholic High School.

Bronwyn Davies

Associate

Boston
781.530.9144
bdavies@windjammercapital.com
LinkedIn

Bronwyn joined Windjammer in 2023, and is responsible for evaluating investment opportunities, performing due diligence, participating in structuring, negotiating and closing of transactions, and assisting in the management of portfolio companies.

FORMER EXPERIENCE

Canaccord Genuity

EDUCATION

Yale University – BA

Matt Dickman

Senior Associate

Newport Beach
949.720.4219
mdickman@windjammercapital.com

Matt joined Windjammer in 2022, and is responsible for evaluating investment opportunities, performing due diligence, participating in structuring, negotiating and closing of transactions, and assisting in the management of portfolio companies.

FORMER EXPERIENCE

Intrepid Investment Bankers
City National Bank

EDUCATION

University of Southern California - BS

PORTFOLIO COMPANIES

Former Board Affiliations

Global Claims Services
Heritage Foodservice
Engineered Controls International
S.T. Specialty Foods
Rotex Holdings
McKenzie Sports Products

John Donahue

Managing Director, Business Development

Boston
781.530.9161
jdonahue@windjammercapital.com
vcard
LinkedIn

John joined Windjammer in 2001 and spent the past 16 years as an active member of the investment team. In 2017 he took over responsibilities for business development, where he is responsible for relationship development and coordinating the Firm's marketing activities.

FORMER EXPERIENCE

Robertson Stephens, Private Capital Markets Group
BankBoston, Commerical Lending and Leveraged Finance Division

EDUCATION

Harvard University - BA

PORTFOLIO COMPANIES

Current Board Affiliations

AXH Air Coolers
Fecon
Hilco Vision
TRG
Vital Records Control
Flinn Scientific

Former Board Affiliations

Heritage Food Service Group
Global Claims Group
Mission Critical Electronics
Component Hardware Group

Brandon Edlefsen

Operating Director

Boston
781.530.9133
bedlefsen@windjammercapital.com
vcard
LinkedIn

Brandon joined Windjammer in 2015 and works with portfolio companies to drive organic growth through operational improvements and optimization initiatives, and is involved in the operational evaluation and due diligence of investment opportunities.

Prior to joining Windjammer, Brandon was the General Manager of Sonix, a subsidiary within Danaher's Industrial Technologies platform. During his eight year career at Danaher, Brandon held positions in general management, business development, and product development. Prior to Danaher, Brandon served five years in the United States Army and led infantry and logistics platoons in the 75th Ranger Regiment and 82nd Airborne Division. At Windjammer, Brandon's primary focus is to work with the portfolio companies to drive organic growth as well as in evaluating new investment opportunities from an operational perspective, performing operational due diligence, and monitoring portfolio company performance.

FORMER EXPERIENCE

Sonix, a subsidiary of Danaher Corporation
Kollmorgen, a subsidiary of Danaher Corporation
United States Army

EDUCATION

Northwestern University - MBA and MEM
U.S. Military Academy at West Point - BS

Alex Farley

Compliance/Special Projects Coordinator

Newport Beach
949.720.4214
alex@windjammercapital.com
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Jonathan Hallal

Associate

Boston
781.530.9137
jhallal@windjammercapital.com
LinkedIn

Jonathan joined Windjammer in 2024, and is responsible for evaluating investment opportunities, performing due diligence, participating in structuring, negotiating and closing of transactions, and assisting in the management of portfolio companies.

FORMER EXPERIENCE

Deloitte Consulting

EDUCATION

Colby College - BA

Andrea Healy

Executive Assistant

Boston
781.530.9123
ahealy@windjammercapital.com
vcard
LinkedIn

PORTFOLIO COMPANIES

Current Board Affiliations

AXH Air Coolers
Fecon
Mission Critical Electronics
Vital Records Control

Trent Hegseth

Principal

Newport Beach
949.720.4201
THegseth@windjammercapital.com
LinkedIn

Trent rejoined Windjammer in 2021, having previously worked as an Associate at Windjammer from 2015-2018. He is responsible for sourcing and evaluating investment opportunities, performing due diligence, transaction execution, and portfolio company management.

FORMER EXPERIENCE

Amazon
Cowen & Company
JPMorgan Chase

EDUCATION

University of Virginia, Darden School of Business - MBA
University of California Berkeley - BS, with honors

PORTFOLIO COMPANIES

Current Board Affiliations

IPS Group
Compex Legal Services

Lawrence Hu

Vice President

Newport Beach
949.572.1447
LHu@windjammercapital.com
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LinkedIn

Lawrence joined Windjammer in 2019 with a background in special situations investing and mergers & acquisitions. At Windjammer, he is responsible for sourcing and evaluating investment opportunities, performing due diligence, transaction execution, and portfolio company management.

FORMER EXPERIENCE

Covis Pharma
Deutsche Bank

EDUCATION

Carnegie Mellon University - BS

PORTFOLIO COMPANIES

Current Board Affiliations

Bio X Cell
Paragon Energy Solutions
IPS Group
Compex Legal Services
Mission Critical Electronics

Former Board Affiliations

Advanced Instruments

Erik Johnson

Operating Director

Newport Beach
949.720.4206
ejohnson@windjammercapital.com
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LinkedIn

Erik joined Windjammer in 2019 and works with portfolio companies to optimize their operations as well as sales and marketing effectiveness.

Before joining Windjammer, Erik was General Manager of Beckman Coulter’s Automation & Informatics business. During his 10 years at Beckman Coulter (a division of Danaher), Erik held positions in strategic marketing, sales, service and general management. Prior to Beckman Coulter, Erik spent over 10 years in a variety of global marketing roles with companies including Samsung Electronics and Cisco. Erik has held positions based in 5 countries including the U.S., U.K., Switzerland, Chile and South Korea.

FORMER EXPERIENCE

Beckman Coulter
Samsung Electronics
Cisco

EDUCATION

Harvard University - MBA
Duke University - BA

Katie Karlson

Executive Assistant

Boston
781.530.9124
kkarlson@windjammercapital.com

Evan Klebe

Managing Director

Newport Beach
949.720.4211
eklebe@windjammercapital.com

Evan joined Windjammer in 2025 in the firm's West Coast office and has over 20 years of experience investing in and working with niche-oriented, middle-market companies. At Windjammer, Evan is responsible for sourcing and evaluating investment opportunities, performing due diligence, structuring, negotiating and closing transactions, and overseeing portfolio company performance.

FORMER EXPERIENCE

Beach Point Capital Management, Private Equity Group
Lindsay Goldberg
3i Group
Morgan Stanley
UBS Investment Bank

EDUCATION

The Wharton School, University of Pennsylvania - MBA
Harvard College - BA

PORTFOLIO COMPANIES

Current Board Affiliations

Bio X Cell
Component Hardware Group

Former Board Affiliations

Hermetic Solutions Group
Advanced Instruments
Engineered Controls International
Infinite RF Holdings
Maxcess International
The RETEC Group

Craig Majernik

Managing Director

Boston
781.530.9122
cmajernik@windjammercapital.com
vcard
LinkedIn

Craig has nearly 20 years of private equity experience since joining Windjammer in 2000. At Windjammer, he is responsible for sourcing and evaluating investment opportunities, performing due diligence, structuring, negotiating and closing transactions, and overseeing portfolio company performance.

FORMER EXPERIENCE

FleetBoston Financial (formerly BankBoston)
KPMG Barents Group

EDUCATION

University of Cambridge
Graduate Institute of International and Development Studies, Geneva
Western University - BA

PORTFOLIO COMPANIES

Current Board Affiliations

Bio X Cell
Paragon Energy Solutions
Hilco Vision
TRG

Former Board Affiliations

Advanced Instruments
Heritage Food Service Group

Peter McGah

Principal

Boston
781.530.9136
pmcgah@windjammercapital.com
vcard
LinkedIn

Peter rejoined Windjammer in 2017, having previously worked as an Associate at Windjammer from 2012-2015. He is responsible for sourcing and evaluating investment opportunities, performing due diligence, transaction execution, and portfolio company management.

FORMER EXPERIENCE

L.E.K. Consulting
Bill and Melinda Gates Investments (BMGI)

EDUCATION

Kellogg School of Management at Northwestern University - MBA
Claremont McKenna College - BA, summa cum laude

PORTFOLIO COMPANIES

Current Board Affiliations

AXH Air Coolers
Paragon Energy Solutions
IPS Group
Compex Legal Services
Vital Records Control
Mission Critical Electronics
Flinn Scientific

Former Board Affiliations

JWC Environmental
Infinite RF Holdings
BBB Industries
AmerCable
Jonathan Engineered Solutions
The Felters Company
Weasler Engineering
Airpax Holdings

Jeffrey Miehe

Managing Principal

Newport Beach
949.720.4205
JeffM@windjammercapital.com
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Jeff joined Windjammer in 2007 and has significant experience in private equity investing and mergers & acquisitions. In total, over 24 years of experience investing in and working with niche-oriented, middle-market companies. Jeff is a member of the firm's Management Committee and its Investment Committee. In addition, Jeff evaluates and closes new investments and has a primary role in monitoring portfolio company performance.

FORMER EXPERIENCE

Industrial Growth Partners
Kerlin Capital Group

EDUCATION

Stanford University - BS

Beki Miller

Executive Assistant

Newport Beach
949.720.4240
bmiller@windjammercapital.com

Tejas Nair

Associate

Newport Beach
949.720.4216
tnair@windjammercapital.com

Tejas joined Windjammer in 2024 and is responsible for evaluating investment opportunities, performing due diligence, participating in the structuring, negotiating and closing of transactions, and assisting in the management of portfolio companies.

FORMER EXPERIENCE

Turnspire Capital Partners
J.P. Morgan

EDUCATION

Hofstra University – BBA

Michaela Patterson

Administrative Assistant

Newport Beach
949.720.4207
mpatterson@windjammercapital.com

PORTFOLIO COMPANIES

Current Board Affiliations

IPS Group
Compex Legal Services
Vital Records Control
Mission Critical Electronics

Former Board Affiliations

Flinn Scientific
Infinite RF Holdings

Ryan Pertz

Managing Director

Newport Beach
949.720.4220
rpertz@windjammercapital.com
vcard
LinkedIn

Ryan joined Windjammer in 2013 with a background in both private equity and investment banking. At Windjammer, Ryan is responsible for sourcing and evaluating investment opportunities, performing due diligence, transaction execution, and portfolio company management.

FORMER EXPERIENCE

HM Capital (f.k.a. Hicks, Muse, Tate & Furst)
J.P. Morgan, Investment Banking - Financial Sponsor Group

EDUCATION

The University of Chicago Booth School of Business - MBA
Duke University - BSE

PORTFOLIO COMPANIES

Current Board Affiliations

AXH Air Coolers
Radix Wire & Cable
Paragon Energy Solutions
TRG

Former Board Affiliations

Engineered Controls International

Robert Quandt

Managing Director

Boston
781.530.9130
rquandt@windjammercapital.com
vcard
LinkedIn

Rob joined Windjammer in 2017 and has over 15 years of private equity investment experience. At Windjammer, he is responsible for sourcing and evaluating investment opportunities, performing due diligence, structuring, negotiating and closing transactions, and monitoring portfolio company performance.

FORMER EXPERIENCE

Bain Capital
Boston Consulting Group

EDUCATION

Stanford Graduate School of Business - MBA
Yale University - BA

Grant Ristoff

Analyst

Newport Beach
949.720.4209
GRistoff@windjammercapital.com
LinkedIn

Grant joined Windjammer in 2025 and is responsible for evaluating investment opportunities, performing due diligence, participating in the structuring, negotiating and closing of transactions, and assisting in the management of portfolio companies.

EDUCATION

University of Notre Dame, Mendoza School of Business – MSM
University of Pennsylvania – BA

PORTFOLIO COMPANIES

Current Board Affiliations

Paragon Energy Solutions
Radix Wire & Cable

Gianluigi Sepe

Principal

Boston
781.530.9127
GSepe@windjammercapital.com

Gianluigi joined Windjammer in 2024 and has over 10 years of private equity investment experience. At Windjammer, he is responsible for sourcing and evaluating investment opportunities, performing due diligence, transaction execution, and portfolio company management.

FORMER EXPERIENCE

SFW Capital Partners
Permira
Hamilton Lane
L.E.K. Consulting

EDUCATION

Columbia Business School - MBA
Bocconi University - B.Sc.

Dhruv Shah

Associate

Boston
781.530.9143
dshah@windjammercapital.com
LinkedIn

Dhruv joined Windjammer in 2023, and is responsible for evaluating investment opportunities, performing due diligence, participating in structuring, negotiating and closing of transactions, and assisting in the management of portfolio companies.

FORMER EXPERIENCE

Jefferies

EDUCATION

Rutgers University - BS, Summa Cum Laude

Scott Sorensen

Associate

Newport Beach
949.763.1839
ssorensen@windjammercapital.com

Scott joined Windjammer in 2024 and is responsible for evaluating investment opportunities, performing due diligence, participating in the structuring, negotiating and closing of transactions, and assisting in the management of portfolio companies.

FORMER EXPERIENCE

Peterson Partners
Twin Bridges Hospitality
PwC

EDUCATION

Stanford Graduate School of Business - MBA
Brigham Young University - BS

PORTFOLIO COMPANIES

Current Board Affiliations

Radix Wire & Cable
Component Hardware Group

Former Board Affiliations

Hermetic Solutions Group
Engineered Controls International

JT Townsend

Operating Director

Boston
781.530.9132
JTownsend@windjammercapital.com
vcard
LinkedIn

JT joined Windjammer in 2019, where his primary focus is working with the portfolio companies to drive organic growth with involvement in the operational evaluation and due diligence of investment opportunities.

Prior to joining Windjammer, JT was the President of Gems Sensors and Controls and the previous General Manager of Anderson-Negele. Each Company is a wholly owned subsidiary within the Sensing Techology Group of Fortive Corporation, a Fortune 500 spin-out of Danaher Corporation. During his 10-year career at Fortive / Danaher, JT held positions in general management, strategic marketing, M&A and product development. JT's first commercial role was in business development for ClickShift, a venture-backed, online marketing firm sold to Webtrends. JT served 7 years in the U.S. Army as a Ranger-qualified officer, including two combat tours in Iraq.

FORMER EXPERIENCE

Gems Sensors and Controls, a subsidiary of Fortive Corporation
Anderson-Negele, while a subsidiary of Danaher Corporation
Danaher Corporation Strategic Development, M&A
Hach Company, a subsidiary of Danaher Corporation
ClickShift, Sequoia Ventures backed
United States Army

EDUCATION

University of Chicago Booth School of Business - MBA
U.S. Military Academy at West Point - BS

Stephan Wenkel

Associate

Newport Beach
949.308.2299
swenkel@windjammercapital.com

Stephan joined Windjammer in 2022, and is responsible for evaluating investment opportunities, performing due diligence, participating in structuring, negotiating and closing of transactions, and assisting in the management of portfolio companies.

FORMER EXPERIENCE

Lincoln International
RKCA

EDUCATION

Xavier University – BBA

Ryan Wolfsberg

Vice President, Business Development

Boston
781.530.9135
RWolfsberg@windjammercapital.com
LinkedIn

Ryan joined Windjammer in 2024 and shares responsibilities for the firm’s business development. His responsibilities include relationship development and coordinating the firm's marketing activities.

FORMER EXPERIENCE

Soundcore Capital Partners
Merrill Lynch
Raymond James
Professional Baseball Player

EDUCATION

University of North Carolina Kenan-Flagler Business School – MBA
Hamilton College – BA

Our Professionals

The confidence to act decisively in both calm seas and rough waters -- our team embodies the tenacity and patience earned over a number of market cycles in a variety of industries.

Windjammer Team

Strategic Consultants & Advisors