![Gregory Summe](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>)
Gregory Summe
Chairman at
AVANTOR, INC.
Net worth: 11 M $ as of 2026-06-29
Profile
Gregory L.
Summe founded NextGen Acquisition Corp.
in 2020, where he worked as Co-Chairman from 2020 to 2021, NextGen Acquisition Corp.
II in 2020, where he worked as Co-Chairman in 2021, and Glen Capital Partners LLC in 2013, where he is working as Managing Partner from 2013.
Mr. Summe also currently works at EG&G, Inc., as Chairman, Avantor, Inc., as Chairman from 2026, GRAIL, Inc., as Chairman from 2024, and various other companies.
Mr. Summe also formerly worked at PerkinElmer Optoelectronics, Inc., as Chairman & Chief Executive Officer from 1998 to 2009, Revvity, Inc., as Executive Chairman from 2008 to 2009, Freescale Semiconductor Ltd., as Chairman from 2014 to 2015, and various other companies.
Mr. Summe received his graduate degree from the University of Cincinnati (Ohio), undergraduate degree from the University of Kentucky, and Masters Business Admin degree from The Wharton School of the University of Pennsylvania.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
AVANTOR, INC. 0.07% | 2026-05-06 | 483,381 ( 0.07% ) | 5 M $ | 2026-06-29 |
GRAIL INC 0.11% | 2026-07-14 | 45,245 ( 0.11% ) | 3 M $ | 2026-06-29 |
| 2026-06-09 | 8,644 ( 0% ) | 2 M $ | 2026-06-29 | |
| 2026-06-08 | 36,090 ( 0.1% ) | 323 727 $ | 2026-06-29 |
Gregory Summe active positions
| Companies | Position | Start |
|---|---|---|
| NXP SEMICONDUCTORS N.V. | Director/Board Member | 2015-12-16 |
| AVANTOR, INC. | Chairman | 2025-12-31 |
| GRAIL, INC. | Chairman | 2024-06-20 |
| WHEELS UP EXPERIENCE INC. | Director/Board Member | 2024-08-06 |
State Street Bank & Trust Co. (UK Branch)
 State Street Bank & Trust Co. (UK Branch) Regional BanksFinance Provides commercial banking services | Director/Board Member | 2001-06-20 |
Pella Corp.
 Pella Corp. Forest ProductsNon-Energy Minerals Designs and manufactures windows & door and sells through online | Director/Board Member | - |
Glen Capital Partners GP LLC | Corporate Officer/Principal | - |
NextGen Sponsor II LLC
 NextGen Sponsor II LLC Financial ConglomeratesFinance Provides investment services | Corporate Officer/Principal | - |
EG&G, Inc. /Technical Services Business/
 EG&G, Inc. /Technical Services Business/ Engineering & ConstructionIndustrial Services Provides technical support and engineering services | Chairman | - |
| ░░░░ ░░░░░░░ ░░░░░░░░ ░░░ | ░░░░░ ░░░░░░░░░ ░░░░░░░ | ░░░░░░░░░░ |
Former positions of Gregory Summe
| Companies | Position | End |
|---|---|---|
| ░░░░░ ░░░░░░ ░░░░░░░░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
| ░░░░░░ ░░░░░ ░░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
| ░░░░ ░░░░ | ░░░░░░░ | ░░░░░░░░░░ |
| ░░░░ ░░░░ | ░░░░░░░ | ░░░░░░░░░░ |
| ░░░ ░░░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | ░░░░░░░░░░ |
Training of Gregory Summe
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
73
1st degree connections
39
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 39 |
|---|---|
AlliedSignal, Inc.
 AlliedSignal, Inc. Aerospace & DefenseElectronic Technology Provides aerospace and automotive parts, chemicals, fibers and plastic products | Electronic Technology |
Automatic Data Processing, Inc.
 Automatic Data Processing, Inc. Packaged SoftwareTechnology Services Provides technology-based HCM, cloud-based platforms and HRO & HR outsourcing services | Technology Services |
Biomet, Inc.
 Biomet, Inc. Medical SpecialtiesHealth Technology Designs, manufactures and markets medical & surgical products | Health Technology |
GE Aerospace
 GE Aerospace Aerospace & DefenseElectronic Technology Designs, develops, manufactures and services aircraft engines for commercial airframes & defense jet engines, avionics & power systems | Electronic Technology |
State Street Corp.
 State Street Corp. Investment Banks/BrokersFinance Operates as bank holding company which provides custody, accounting, fund administration and investment management services | Finance |
Northrop Grumman Space & Mission Systems Corp.
 Northrop Grumman Space & Mission Systems Corp. Auto Parts: OEMProducer Manufacturing Provides advanced technology products and services for the automotive and space defense industry | Producer Manufacturing |
LMI Aerospace, Inc.
 LMI Aerospace, Inc. Wholesale DistributorsDistribution Services Supplies structural assemblies, kits and components & provides design engineering services | Distribution Services |
Revvity, Inc.
 Revvity, Inc. Medical SpecialtiesHealth Technology Manufactures and distributes reagents, analytical instruments and develops software | Health Technology |
Honeywell International, Inc.
 Honeywell International, Inc. Aerospace & DefenseElectronic Technology Manufactures and supplies aerospace, industrial and building automation products | Electronic Technology |
The Carlyle Group LP (Corporate Private Equity)
 The Carlyle Group LP (Corporate Private Equity) Investment ManagersFinance The Carlyle Group focuses on companies located across the globe. The firm targets companies operating across a broad range of sectors and industries. It provides financing for buyouts and growth stage capital requirements.[[ [[Carlyle Group reorganized its operating segments on January 8, 2021, by combining Corporate Private Equity and Real Assets into a single segment called - The Carlyle Group (Global Private Equity). | Finance |
McKinsey & Co., Inc.
 McKinsey & Co., Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a management consulting firm | Commercial Services |
Intelek Ltd.
 Intelek Ltd. Electronic ComponentsElectronic Technology Designs, manufactures and supplies electronic products for satellite and microwave communication | Electronic Technology |
Automotive Products Group
 Automotive Products Group Motor VehiclesConsumer Durables Manufacture, distribution and marketing of automotive components | Consumer Durables |
Pella Corp.
Pella Corp. Forest ProductsNon-Energy Minerals Designs and manufactures windows & door and sells through online | Non-Energy Minerals |
Veyance Technologies, Inc.
 Veyance Technologies, Inc. Miscellaneous ManufacturingProducer Manufacturing Manufactures and markets engineered rubber products | Producer Manufacturing |
EG&G, Inc. /Technical Services Business/
EG&G, Inc. /Technical Services Business/ Engineering & ConstructionIndustrial Services Provides technical support and engineering services | Industrial Services |
University of Cincinnati (Ohio)
 University of Cincinnati (Ohio) Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
University of Kentucky
 University of Kentucky Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
PerkinElmer Optoelectronics, Inc.
 PerkinElmer Optoelectronics, Inc. Electronic Production EquipmentElectronic Technology Provides biomedical and industrial applications solutions | Electronic Technology |
NXP Semiconductors (USA), Inc.
 NXP Semiconductors (USA), Inc. SemiconductorsElectronic Technology Manufactures fables semiconductors | Electronic Technology |
Freescale Semiconductor Ltd.
 Freescale Semiconductor Ltd. SemiconductorsElectronic Technology Manufactures and designs micro controllers, processors and semiconductors | Electronic Technology |
NXP Semiconductors NV
 NXP Semiconductors NV SemiconductorsElectronic Technology Manufactures, designs and provides mixed-signal semiconductor solutions | Electronic Technology |
Euramax Holdings, Inc.
 Euramax Holdings, Inc. Building ProductsProducer Manufacturing Manufactures metal doors, windows, sheets and vinyl products | Producer Manufacturing |
State Street Bank & Trust Co. (UK Branch)
State Street Bank & Trust Co. (UK Branch) Regional BanksFinance Provides commercial banking services | Finance |
Aerospace Engineering Group SL
 Aerospace Engineering Group SL Other TransportationTransportation Provides aircraft maintenance, repair and overhaul facilities | Transportation |
Export Trading Co., Ltd.
 Export Trading Co., Ltd. Air Freight/CouriersTransportation Provides logistics, food ingredients, agricultural inputs, chemicals, energy, metals and supply chain optimization services | Transportation |
The Carlyle Group Inc.
 The Carlyle Group Inc. Investment ManagersFinance Provides alternative asset management and private equity services | Finance |
Glen Capital Partners LLC
 Glen Capital Partners LLC Investment ManagersFinance GCP is a long-term investor that is particularly interested in companies undergoing significant operational, capital structure, or strategic change. The firm takes substantial ownership positions in undervalued small-cap public companies in the healthcare, financial services, business services, industrial, and technology sectors. | Finance |
The Wharton School of the University of Pennsylvania
 The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Glen Capital Partners GP LLC | |
GRAIL, Inc.
 GRAIL, Inc. Medical SpecialtiesHealth Technology Manufactures cancer detection test kits and provides related services | Health Technology |
Avantor, Inc.
 Avantor, Inc. Medical SpecialtiesHealth Technology Manufactures and supplies laboratory equipment and bioscience products | Health Technology |
Ohana Biosciences, Inc.
 Ohana Biosciences, Inc. Miscellaneous Commercial ServicesCommercial Services Operates early stage biotechnology company | Commercial Services |
TRW, Inc.
 TRW, Inc. Aerospace & DefenseElectronic Technology Manufactures parts for US fighter planes | Electronic Technology |
NextGen Acquisition Corp.
 NextGen Acquisition Corp. Financial ConglomeratesFinance Operates as a blank check company | Finance |
NextGen Acquisition Corp. II
 NextGen Acquisition Corp. II Financial ConglomeratesFinance Operates as a blank check company | Finance |
NextGen Sponsor II LLC
NextGen Sponsor II LLC Financial ConglomeratesFinance Provides investment services | Finance |
Wheels Up Experience, Inc.
 Wheels Up Experience, Inc. AirlinesTransportation Provides private aviation services | Transportation |
Virgin Orbit Holdings, Inc.
 Virgin Orbit Holdings, Inc. Aerospace & DefenseElectronic Technology Designs, develops and manufactures air-launched & liquid-fueled launch systems and provides satellite launch services | Electronic Technology |
- Stock Market
- Insiders
- Gregory Summe
