![J. MacKowski](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>)
J. MacKowski
Director/Board Member at
ALPHA TEKNOVA, INC.
Net worth: 6 M $ as of 30/08/2026
Profile
J.
Matthew MacKowski is the founder of Mackowski & Shepler, founded in 1991.
Current jobs include Chairman & Managing Director at Telegraph Hill Partners Management Co. LLC since 2010, Chairman at Welcony, Inc., Director at The Magstim Co. Ltd. since 2015, Director at Alpha Teknova, Inc. since 2019, Director at TrakCel Ltd., Director at Emerging Therapy Solutions, Inc., and Director at Magstim, Inc. Former jobs include Chairman-Venture Capital Group & Partner at Robertson Stephens & Co., Co-Chairman at Ajinomoto Althea, Inc. from 2011 to 2013, Director at Aurora Biotechnologies, Inc., Director at Interface Associates, Inc., Director at AltheaDx, Inc. from 2008 to 2014, and Vice President at Court Square Capital Management LP.
Education includes undergraduate degree from Duke University and MBA from The Wharton School of the University of Pennsylvania.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
ALPHA TEKNOVA, INC. 1.53% | 01/04/2026 | 820,810 ( 1.53% ) | 6 M $ | 30/08/2026 |
J. MacKowski active positions
| Companies | Position | Start |
|---|---|---|
| ALPHA TEKNOVA, INC. | Director/Board Member | 31/12/2018 |
Telegraph Hill Partners Management Co. LLC
 Telegraph Hill Partners Management Co. LLC Investment ManagersFinance Telegraph Hill Partners invests in companies located in the United States. The firm targets companies operating in the fields of life science, medical device and healthcare. It acts as a lead investor and provides financing for acquisition, MBO’s and growth capital requirements. | Chairman | - |
The Magstim Co. Ltd.
 The Magstim Co. Ltd. Medical SpecialtiesHealth Technology Researches, develops, manufactures and markets medical and research devices | Director/Board Member | 23/09/2015 |
Welcony, Inc. (United States)
 Welcony, Inc. (United States) Medical SpecialtiesHealth Technology Researches, develops, manufactures and markets medical and research devices | Chairman | - |
TrakCel Ltd.
 TrakCel Ltd. Packaged SoftwareTechnology Services Provides cell orchestration platform software solutions | Director/Board Member | - |
Emerging Therapy Solutions, Inc.
 Emerging Therapy Solutions, Inc. Internet Software/ServicesTechnology Services Develops predictive intelligence platform with focus on cell and gene therapy treatments for health care payers | Director/Board Member | - |
Former positions of J. MacKowski
| Companies | Position | End |
|---|---|---|
Robertson Stephens & Co.
 Robertson Stephens & Co. Investment Banks/BrokersFinance Provides brokerage services | Corporate Officer/Principal | - |
Mackowski & Shepler | Corporate Officer/Principal | - |
Court Square Capital Partners
 Court Square Capital Partners Investment ManagersFinance Court Square Capital Management invests in middle market companies located in the United States with an enterprise value of USD 150 - 1500 million. The firm targets companies operating in the fields of business services, healthcare, industrials, tech and telecom sectors. It provides financing for buyout, LBOs and growth stage capital requirements with an investment size of USD 75 - 350 million. The firm acquires controlling interest. | Corporate Officer/Principal | - |
| ░░░░░░░░░ ░░░░░░░░░░░ ░░░░ | ░░░░░░░░░░░░░░ ░░░░░░ | - |
| ░░░░░░░░ ░░░ | ░░░░░░░░ | - |
Training of J. MacKowski
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
44
1st degree connections
15
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 15 |
|---|---|
Aurora Biotechnologies, Inc.
 Aurora Biotechnologies, Inc. Medical SpecialtiesHealth Technology Develops and markets microplate products | Health Technology |
Interface Associates, Inc.
 Interface Associates, Inc. Medical SpecialtiesHealth Technology Manufactures medical balloons and balloon catheter systems | Health Technology |
AltheaDx, Inc.
 AltheaDx, Inc. Medical SpecialtiesHealth Technology Operates as a commercial stage molecular diagnostics company | Health Technology |
Duke University
 Duke University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Mackowski & Shepler | |
Robertson Stephens & Co.
Robertson Stephens & Co. Investment Banks/BrokersFinance Provides brokerage services | Finance |
Ajinomoto Althea, Inc.
 Ajinomoto Althea, Inc. Medical SpecialtiesHealth Technology Provides products and services to support pharmaceutical companies | Health Technology |
The Magstim Co. Ltd.
The Magstim Co. Ltd. Medical SpecialtiesHealth Technology Researches, develops, manufactures and markets medical and research devices | Health Technology |
Court Square Capital Partners
Court Square Capital Partners Investment ManagersFinance Court Square Capital Management invests in middle market companies located in the United States with an enterprise value of USD 150 - 1500 million. The firm targets companies operating in the fields of business services, healthcare, industrials, tech and telecom sectors. It provides financing for buyout, LBOs and growth stage capital requirements with an investment size of USD 75 - 350 million. The firm acquires controlling interest. | Finance |
Telegraph Hill Partners Management Co. LLC
Telegraph Hill Partners Management Co. LLC Investment ManagersFinance Telegraph Hill Partners invests in companies located in the United States. The firm targets companies operating in the fields of life science, medical device and healthcare. It acts as a lead investor and provides financing for acquisition, MBO’s and growth capital requirements. | Finance |
Alpha Teknova, Inc.
 Alpha Teknova, Inc. Pharmaceuticals: MajorHealth Technology Manufactures therapeutic and diagnostic products | Health Technology |
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 |
Welcony, Inc. (United States)
Welcony, Inc. (United States) Medical SpecialtiesHealth Technology Researches, develops, manufactures and markets medical and research devices | Health Technology |
TrakCel Ltd.
TrakCel Ltd. Packaged SoftwareTechnology Services Provides cell orchestration platform software solutions | Technology Services |
Emerging Therapy Solutions, Inc.
Emerging Therapy Solutions, Inc. Internet Software/ServicesTechnology Services Develops predictive intelligence platform with focus on cell and gene therapy treatments for health care payers | Technology Services |
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