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Evan Loh
Chief Executive Officer at
PARATEK PHARMACEUTICALS, INC.
Profile
Evan Loh is currently Chief Executive Officer & Director at OptiNose, Inc. since 2025, Chief Executive Officer & Director at Paratek Pharmaceuticals, Inc. since 2012, and Director at Adaptive Phage Therapeutics, Inc. since 2021.
Former roles include Chairman & Chief Medical Officer at Paratek Pharmaceuticals, Inc. from 2012 to 2014, Chairman & Chief Medical Officer at Transcept Pharma, Inc., Chairman of the Antimicrobials Working Group from 2019 to 2021, Independent Director at Windtree Therapeutics, Inc. from 2021 to 2022, Independent Director at Nivalis Therapeutics, Inc. from 2012 to 2017, Independent Director at Eiger BioPharmaceuticals, Inc., Vice President-Clinical Research & Development at Wyeth LLC from 2007 to 2009, Senior VP-Worldwide Research & Development at Pfizer Inc. from 2009 to 2012, Vice President-Multiple Therapeutic Areas at Wyeth Pharmaceuticals LLC, and Member at both Harvard Medical School and Perelman School of Medicine.
Education includes a doctorate from Harvard Medical School and an undergraduate degree from Harvard College.
Evan Loh active positions
| Companies | Position | Start |
|---|---|---|
| PARATEK PHARMACEUTICALS, INC. | Chief Executive Officer | 2019-06-24 |
| OPTINOSE, INC. | Chief Executive Officer | 2025-05-20 |
Adaptive Phage Therapeutics, Inc.
 Adaptive Phage Therapeutics, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a clinical-stage biotechnology company that develops therapies for bacterial infections | Director/Board Member | 2021-06-28 |
Former positions of Evan Loh
| Companies | Position | End |
|---|---|---|
| WINDTREE THERAPEUTICS, INC. | Director/Board Member | 2022-06-06 |
Nivalis Therapeutics, Inc.
 Nivalis Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Engages in discovery and development of products for patients with cystic fibrosis | Director/Board Member | 2017-06-30 |
| PFIZER INC. | Chief Tech/Sci/R&D Officer | 2011-12-31 |
Wyeth Corp.
 Wyeth Corp. Pharmaceuticals: MajorHealth Technology Develops, manufactures and distributes pharmaceuticals, vaccines & biotechnology products | Chief Tech/Sci/R&D Officer | 2009-09-30 |
Transcept Pharma, Inc.
 Transcept Pharma, Inc. Pharmaceuticals: MajorHealth Technology Develops and manufactures pharmaceutical products | Chairman | - |
Training of Evan Loh
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
58
1st degree connections
15
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 15 |
|---|---|
Wyeth Corp.
Wyeth Corp. Pharmaceuticals: MajorHealth Technology Develops, manufactures and distributes pharmaceuticals, vaccines & biotechnology products | Health Technology |
Pfizer Inc.
 Pfizer Inc. Pharmaceuticals: MajorHealth Technology Engages in discovery, development, manufacturing, marketing, sale and distribution of biopharmaceutical products & ingredients | Health Technology |
Windtree Therapeutics, Inc.
 Windtree Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that develops novel therapeutics to address significant unmet medical needs in acute care markets | Health Technology |
Paratek Pharmaceuticals, Inc. /Old/
 Paratek Pharmaceuticals, Inc. /Old/ Pharmaceuticals: MajorHealth Technology Develops and commercializes transformative solutions for patients with infectious diseases | Health Technology |
Wyeth Pharmaceuticals LLC
 Wyeth Pharmaceuticals LLC Pharmaceuticals: MajorHealth Technology Develops, manufactures and markets infant pharmaceutical products | Health Technology |
OptiNose, Inc.
 OptiNose, Inc. Pharmaceuticals: MajorHealth Technology Operates as a pharmaceutical company that develops and commercializes products for patients treated by ear, nose, throat and allergy diseases | Health Technology |
Transcept Pharma, Inc.
Transcept Pharma, Inc. Pharmaceuticals: MajorHealth Technology Develops and manufactures pharmaceutical products | Health Technology |
Harvard Medical School
 Harvard Medical School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Nivalis Therapeutics, Inc.
Nivalis Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Engages in discovery and development of products for patients with cystic fibrosis | Health Technology |
Perelman School of Medicine
 Perelman School of Medicine Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Harvard College
 Harvard College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Paratek Pharmaceuticals, Inc.
 Paratek Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceuticals | Health Technology |
Eiger BioPharmaceuticals, Inc.
 Eiger BioPharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops therapies to treat and cure hepatitis delta virus and other serious diseases | Health Technology |
Adaptive Phage Therapeutics, Inc.
Adaptive Phage Therapeutics, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a clinical-stage biotechnology company that develops therapies for bacterial infections | Commercial Services |
Antimicrobials Working Group
 Antimicrobials Working Group Miscellaneous Commercial ServicesCommercial Services Operates as an association of antimicrobials and diagnostics companies | Commercial Services |
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