![Rob Small](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Rob Small
Director/Board Member at
TRANSDIGM GROUP INC.
Net worth: 83 M $ as of 31/07/2026
Profile
Mr. Robert J.
Small is a Lead Independent Director at TransDigm Group, Inc., a Managing Director at Stockbridge Partners LLC and at Berkshire Partners LLC.
He is on the Board of Directors at TransDigm Group, Inc., Active Aero Group, Inc., AmSafe Global Holdings, Inc., Children's Hospital Trust, Cypress Holding Co., DB Cargo (UK) Ltd., Electro-Motive Diesel International Corp., Kingsley Montessori School and The Boys & Girls Clubs of Boston, Inc. He joined Berkshire in 1992 and has been leading Stockbridge since its inception in 2007.
Examples of private equity portfolio company involvement include Active Aero Group, AmSafe, Cypress, Electro-Motive Diesel, English, Welsh & Scottish Railway, GBFC, Gordon Brothers, Hexcel, Party City, and Tranz Rail.
He began his career at Bain & Co.
He received his undergraduate degree from Yale University and an MBA from Harvard Business School.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 25/02/2026 | 65,871 ( 0.12% ) | 83 M $ | 31/07/2026 |
Rob Small active positions
| Companies | Position | Start |
|---|---|---|
| TRANSDIGM GROUP INC. | Director/Board Member | 26/03/2010 |
Berkshire Partners LLC
 Berkshire Partners LLC Investment ManagersFinance Berkshire Partners invests in both public and private mid-market companies located across the globe, primarily in North America. The firm targets companies operating in the fields of services, healthcare, industrials and technology sectors. It provides financing for acquisitions, consolidated strategy, corporate carveout, family business, buyouts or management recapitalizations with an enterprise value of USD 200 million to USD 2 billion and growth transactions with an investment size ranging between USD 100 million and USD 1 billion. The firm also takes both minority and majority equity positions. | Private Equity Investor | 01/01/1992 |
The Boys & Girls Clubs of Boston, Inc.
 The Boys & Girls Clubs of Boston, Inc. Miscellaneous Commercial ServicesCommercial Services Operates nonprofit organization which helps young people | Director/Board Member | - |
Children's Hospital Trust
 Children's Hospital Trust Miscellaneous Commercial ServicesCommercial Services Operates as a hospital trust | Director/Board Member | - |
DB Cargo (UK) Ltd.
 DB Cargo (UK) Ltd. RailroadsTransportation Provides railway freight transportation and engineering services | Director/Board Member | - |
Electro-Motive Diesel International Corp.
 Electro-Motive Diesel International Corp. Trucks/Construction/Farm MachineryProducer Manufacturing Designs, manufactures, markets and installs diesel-electric locomotives for commercial railroad applications | Director/Board Member | - |
Cypress Holding Co.
 Cypress Holding Co. Investment ManagersFinance Provides asset management services | Director/Board Member | - |
AmSafe Global Holdings, Inc.
 AmSafe Global Holdings, Inc. TextilesProcess Industries Manufactures aviation seatbelts and other safety restraints products | Director/Board Member | - |
Active Aero Group, Inc.
 Active Aero Group, Inc. AirlinesTransportation Provides air cargo, air charter and delivery services | Director/Board Member | - |
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Former positions of Rob Small
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Training of Rob Small
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
87
1st degree connections
23
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 23 |
|---|---|
Hexcel Corp.
 Hexcel Corp. Aerospace & DefenseElectronic Technology Develops, manufactures and markets carbon fiber, reinforcements, resin systems, composite materials & engineered products for aerospace and defense sector | Electronic Technology |
Factory Card & Party Outlet Corp.
 Factory Card & Party Outlet Corp. Specialty StoresRetail Trade Retails party supplies, greeting cards, gift wraps and balloons | Retail Trade |
Amscan Holdings, Inc.
 Amscan Holdings, Inc. Industrial ConglomeratesProducer Manufacturing Operates as a holding company whose subsidiary designs, manufactures and distributes decorated party supplies, costumes, accessories & balloons | Producer Manufacturing |
KiwiRail Investments Ltd.
 KiwiRail Investments Ltd. Air Freight/CouriersTransportation Provides freight and transportation services using its rail system in New Zealand | Transportation |
Amscan, Inc.
 Amscan, Inc. Specialty StoresRetail Trade Designs, manufactures, and distributes party goods, stationary, and balloons | Retail Trade |
Goldman Sachs Bank AG
 Goldman Sachs Bank AG Major BanksFinance Provides international banking services | Finance |
Stockbridge Partners LLC
 Stockbridge Partners LLC Investment ManagersFinance Stockbridge seeks to invest in high-quality companies with strong competitive positions, long-term growth prospects, and talented management teams. The firm aims to deliver strong absolute returns to their investors over long periods of time. They invest based on rigorous and deep research and a time horizon of five years or more. | Finance |
Party City Holdings, Inc.
 Party City Holdings, Inc. Miscellaneous ManufacturingProducer Manufacturing Designs, manufactures and distributes party goods | Producer Manufacturing |
Bain & Co., Inc.
 Bain & Co., Inc. Miscellaneous Commercial ServicesCommercial Services Provides strategy, marketing, organization, operations, IT and M&A consulting services | Commercial Services |
Berkshire Partners LLC
Berkshire Partners LLC Investment ManagersFinance Berkshire Partners invests in both public and private mid-market companies located across the globe, primarily in North America. The firm targets companies operating in the fields of services, healthcare, industrials and technology sectors. It provides financing for acquisitions, consolidated strategy, corporate carveout, family business, buyouts or management recapitalizations with an enterprise value of USD 200 million to USD 2 billion and growth transactions with an investment size ranging between USD 100 million and USD 1 billion. The firm also takes both minority and majority equity positions. | Finance |
Cypress Holding Co.
Cypress Holding Co. Investment ManagersFinance Provides asset management services | Finance |
Gordon Brothers Group LLC
 Gordon Brothers Group LLC Miscellaneous Commercial ServicesCommercial Services Provides asset valuation, lending, financing and investment services | Commercial Services |
DB Cargo (UK) Ltd.
DB Cargo (UK) Ltd. RailroadsTransportation Provides railway freight transportation and engineering services | Transportation |
Yale University
 Yale University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Active Aero Group, Inc.
Active Aero Group, Inc. AirlinesTransportation Provides air cargo, air charter and delivery services | Transportation |
TransDigm Group, Inc.
 TransDigm Group, Inc. Aerospace & DefenseElectronic Technology Designs, produces and supplies engineered aircraft component products | Electronic Technology |
Combined Jewish Philanthropies of Greater Boston, Inc.
 Combined Jewish Philanthropies of Greater Boston, Inc. Miscellaneous Commercial ServicesCommercial Services Provides fundraising and social planning services | Commercial Services |
The Boys & Girls Clubs of Boston, Inc.
The Boys & Girls Clubs of Boston, Inc. Miscellaneous Commercial ServicesCommercial Services Operates nonprofit organization which helps young people | Commercial Services |
AmSafe Global Holdings, Inc.
AmSafe Global Holdings, Inc. TextilesProcess Industries Manufactures aviation seatbelts and other safety restraints products | Process Industries |
Kingsley Montessori School
 Kingsley Montessori School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Children's Hospital Trust
Children's Hospital Trust Miscellaneous Commercial ServicesCommercial Services Operates as a hospital trust | Commercial Services |
Harvard Business School
 Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Electro-Motive Diesel International Corp.
Electro-Motive Diesel International Corp. Trucks/Construction/Farm MachineryProducer Manufacturing Designs, manufactures, markets and installs diesel-electric locomotives for commercial railroad applications | Producer Manufacturing |
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