![Charles Theuer](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>)
Charles Theuer
Chief Tech/Sci/R&D Officer at
HALOZYME THERAPEUTICS, INC.
Net worth: 369 737 $ as of 2026-04-29
Profile
Charles P.
Theuer is currently Chief Medical Officer at Halozyme Therapeutics, Inc. since 2024.
He is also an Independent Director at Oncternal Therapeutics, Inc. since 2018 and at 4D Molecular Therapeutics, Inc. since 2015.
Formerly, Dr. Theuer was President, Chief Executive Officer & Director at TRACON Pharmaceuticals, Inc. from 2021 to 2024.
He was Director-Clinical Oncology at Pfizer Inc. from 2003 to 2004, Chief Medical Officer & VP-Clinical Development at TargeGen, Inc. from 2004 to 2006, Assistant Professor-Surgical Oncology at the University of California, Irvine, and Principal at the National Cancer Institute from 1991 to 1993.
Education includes an undergraduate degree from Massachusetts Institute of Technology in 1985, a doctorate from The University of California, San Francisco in 1989, and a doctorate from the University of California, Irvine in 2002.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 2025-12-11 | 41,684 ( 0.08% ) | 369 737 $ | 2026-04-29 |
Charles Theuer active positions
| Companies | Position | Start |
|---|---|---|
| 4D MOLECULAR THERAPEUTICS, INC. | Director/Board Member | 2015-11-30 |
| ONCTERNAL THERAPEUTICS, INC. | Director/Board Member | 2018-04-30 |
| HALOZYME THERAPEUTICS, INC. | Chief Tech/Sci/R&D Officer | 2024-09-30 |
Former positions of Charles Theuer
| Companies | Position | End |
|---|---|---|
| TRACON PHARMACEUTICALS, INC. | Chief Executive Officer | 2024-07-30 |
TargeGen, Inc.
 TargeGen, Inc. Pharmaceuticals: MajorHealth Technology Manufactures vascular biopharmaceutical products | Chief Tech/Sci/R&D Officer | 2005-12-31 |
| PFIZER INC. | Corporate Officer/Principal | 2003-12-31 |
National Cancer Institute
 National Cancer Institute Investment Trusts/Mutual FundsMiscellaneous Conducts research projects & awards grants for cancer research | Corporate Officer/Principal | 1992-12-31 |
University of California, Irvine
 University of California, Irvine Other Consumer ServicesConsumer Services Functions as a College/University | Corporate Officer/Principal | - |
Training of Charles Theuer
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
88
1st degree connections
10
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 10 |
|---|---|
Pfizer Inc.
 Pfizer Inc. Pharmaceuticals: MajorHealth Technology Engages in discovery, development, manufacturing, marketing, sale and distribution of biopharmaceutical products & ingredients | Health Technology |
Halozyme Therapeutics, Inc.
 Halozyme Therapeutics, Inc. BiotechnologyHealth Technology Engages in the development and commercialization of recombinant human enzymes for the infertility, ophthalmology & oncology markets | Health Technology |
TargeGen, Inc.
TargeGen, Inc. Pharmaceuticals: MajorHealth Technology Manufactures vascular biopharmaceutical products | Health Technology |
TRACON Pharmaceuticals, Inc.
 TRACON Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes novel targeted therapeutics for cancer treatment | Health Technology |
Massachusetts Institute of Technology
 Massachusetts Institute of Technology Finance/Rental/LeasingFinance Functions as a College/University | Finance |
University of California, Irvine
University of California, Irvine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
The University of California, San Francisco
 The University of California, San Francisco Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
National Cancer Institute
National Cancer Institute Investment Trusts/Mutual FundsMiscellaneous Conducts research projects & awards grants for cancer research | Miscellaneous |
4D Molecular Therapeutics, Inc.
 4D Molecular Therapeutics, Inc. BiotechnologyHealth Technology Designs, develops and commercializes transformative gene therapeutic products for serious unmet medical conditions | Health Technology |
Oncternal Therapeutics, Inc.
 Oncternal Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as an oncology company that manufactures pharmaceutical products | Health Technology |
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