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William Ringo
Chairman at
ASSEMBLY BIOSCIENCES, INC.
Net worth: 57 115 $ as of 30/05/2026
Profile
William R.
Ringo is Chairman at Assembly Biosciences, Inc. since 2015, Chairman at Sensei Biotherapeutics, Inc. since 2022, Director at Marcadia Biotech, Inc., Non-Executive Director at Atlantic Healthcare Plc since 2017, Director at Indiana University Health Foundation, Inc., Director at Encore Retail GP LLC since 2014, Director at Kovina Therapeutics, Inc. since 2021, and Venture Partner at InCube Venture Partners LLC.
Former roles include President & Chief Executive Officer at Abgenix, Inc. from 2004 to 2006, Non-Executive Chairman & Chief Executive Officer at InterMune, Inc. in 2003, Chairman at Community Health Systems, Inc. from 1994 to 2002, Chairman at Five Prime Therapeutics, Inc. from 2020 to 2021, Chairman at Hyperion Therapeutics, Inc., Chairman at Health Systems, Inc., Director at Encysive Pharmaceuticals, Inc. from 2001 to 2007, Director at La Jolla Pharmaceutical Co., Independent Director at Onyx Pharmaceuticals, Inc. from 2011 to 2013, Director at Praecis Pharmaceuticals, Inc., Director at Allos Therapeutics, Inc. from 2007 to 2008, Independent Director at Sangamo Therapeutics, Inc. from 2016 to 2018, Director at Inspire Pharmaceuticals, Inc. from 2001 to 2007, Director at Alvine Pharmaceuticals, Inc., Independent Director at Mirati Therapeutics, Inc. from 2014 to 2016, Director at BioCrossroads, Independent Director at Immune Design Corp.
from 2014 to 2019, Independent Director at Dermira, Inc. from 2014 to 2020, President-Infectious Diseases Business Unit at Eli Lilly & Co. from 1973 to 2001, Senior VP-Strategy & Business Development at Pfizer Inc. from 2008 to 2010, Board Member at Portola Pharmaceuticals LLC from 2006 to 2009, Executive Partner at Sofinnova Investments, Inc. from 2010 to 2011, and Vice President-Sales & Marketing at US Pharmaceuticals, Inc. Education includes undergraduate and MBAistration degrees from the University of Dayton.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 09/04/2026 | 1,455 ( 0.01% ) | 40 245 $ | 30/05/2026 | |
| 20/05/2025 | 798 ( 0.06% ) | 16 870 $ | 30/05/2026 |
William Ringo active positions
| Companies | Position | Start |
|---|---|---|
| ASSEMBLY BIOSCIENCES, INC. | Chairman | 09/02/2015 |
Marcadia Biotech, Inc.
 Marcadia Biotech, Inc. Pharmaceuticals: MajorHealth Technology Develops therapeutic products for diabetes and obesity | Director/Board Member | 27/04/2011 |
Kovina Therapeutics, Inc.
 Kovina Therapeutics, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a biotechnology company | Director/Board Member | 31/05/2021 |
Indiana University Health Foundation, Inc.
 Indiana University Health Foundation, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a voluntary health organization | Director/Board Member | - |
Atlantic Healthcare Plc
 Atlantic Healthcare Plc Pharmaceuticals: MajorHealth Technology Operates as holding company with interest in pharmaceutical | Director/Board Member | 21/05/2017 |
Encore Retail GP LLC | Director/Board Member | 19/03/2014 |
InCube Venture Partners LLC
 InCube Venture Partners LLC Investment ManagersFinance InCube Ventures invests in companies located in the United States. The firm targets companies operating in the fields of life sciences, healthcare and medical devices. It provides financing for early, mid and late stage capital requirements. | Private Equity Investor | - |
Former positions of William Ringo
| Companies | Position | End |
|---|---|---|
| SENSEI BIOTHERAPEUTICS, INC. | Chairman | 01/01/2025 |
| FIVE PRIME THERAPEUTICS, INC. | Chief Executive Officer | 12/04/2020 |
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Training of William Ringo
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
87
1st degree connections
32
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 32 |
|---|---|
Eli Lilly & Co.
 Eli Lilly & Co. Pharmaceuticals: MajorHealth Technology Manufactures, wholesales and markets pharmaceutical 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 |
Encysive Pharmaceuticals, Inc.
 Encysive Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Discovers, develops and markets drugs for the treatment of cardiovascular, vascular and related inflammatory diseases | Health Technology |
La Jolla Pharmaceutical Co.
 La Jolla Pharmaceutical Co. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company which develops and commercializes patients life-threatening conditions | Health Technology |
Onyx Pharmaceuticals, Inc.
 Onyx Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that provide therapeutics for cancer | Health Technology |
Abgenix, Inc.
 Abgenix, Inc. BiotechnologyHealth Technology Develops therapeutic products | Health Technology |
Praecis Pharmaceuticals, Inc.
 Praecis Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops drugs and therapies for the treatment of cancer | Health Technology |
Allos Therapeutics, Inc.
 Allos Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and markets anti-cancer therapeutics | Health Technology |
InterMune, Inc.
 InterMune, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that researches and develops therapies in pulmonology & orphan fibrotic diseases | Health Technology |
Sangamo Therapeutics, Inc.
 Sangamo Therapeutics, Inc. BiotechnologyHealth Technology Operates as a genomic medicine company | Health Technology |
Inspire Pharmaceuticals, Inc.
 Inspire Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes ophthalmic products | Health Technology |
Community Health Systems, Inc.
 Community Health Systems, Inc. Hospital/Nursing ManagementHealth Services Operates general acute care hospitals | Health Services |
Portola Pharmaceuticals LLC
 Portola Pharmaceuticals LLC Pharmaceuticals: MajorHealth Technology Engages in development and commercialization of novel therapeutics | Health Technology |
Five Prime Therapeutics, Inc.
 Five Prime Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Discovers and develops protein therapeutics for cancer and inflammatory diseases | Health Technology |
Alvine Pharmaceuticals, Inc.
 Alvine Pharmaceuticals, Inc. Medical SpecialtiesHealth Technology Develops and commercializes therapeutics for inflammatory diseases | Health Technology |
Hyperion Therapeutics, Inc.
 Hyperion Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes pharmaceutical products | Health Technology |
Marcadia Biotech, Inc.
Marcadia Biotech, Inc. Pharmaceuticals: MajorHealth Technology Develops therapeutic products for diabetes and obesity | Health Technology |
Atlantic Healthcare Plc
Atlantic Healthcare Plc Pharmaceuticals: MajorHealth Technology Operates as holding company with interest in pharmaceutical | Health Technology |
Sofinnova Investments, Inc.
 Sofinnova Investments, Inc. Investment ManagersFinance Sofinnova Investment invests in companies located in the United States and Europe. The firm targets companies operating in the fields of health technology services and life science. It participates in early and later stage capital requirements. | Finance |
Mirati Therapeutics, Inc.
 Mirati Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as a clinical-stage biopharmaceutical company that develops cancer therapies | Health Technology |
University of Dayton
 University of Dayton Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
BioCrossroads
 BioCrossroads Investment ManagersFinance BioCrossroads seeks investment opportunities in companies located in the United States. The firm targets companies operating in the fields of pharmaceutical, medical device, diagnostics, ag-biotech, health information technology and platforms sectors. It provides financing for seed and early stage capital requirements. | Finance |
InCube Venture Partners LLC
InCube Venture Partners LLC Investment ManagersFinance InCube Ventures invests in companies located in the United States. The firm targets companies operating in the fields of life sciences, healthcare and medical devices. It provides financing for early, mid and late stage capital requirements. | Finance |
Immune Design Corp.
 Immune Design Corp. Pharmaceuticals: MajorHealth Technology Operates as a pharmaceutical and clinical-stage immunotherapy company | Health Technology |
Indiana University Health Foundation, Inc.
Indiana University Health Foundation, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a voluntary health organization | Commercial Services |
US Pharmaceuticals, Inc.
 US Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and distributes medicines | Health Technology |
Health Systems, Inc.
 Health Systems, Inc. Hospital/Nursing ManagementHealth Services Owns and operates nursing facilities | Health Services |
Dermira, Inc.
 Dermira, Inc. Pharmaceuticals: MajorHealth Technology Manufactures pharmaceutical products to patients living with chronic skin conditions | Health Technology |
Encore Retail GP LLC | |
Assembly Biosciences, Inc.
 Assembly Biosciences, Inc. Pharmaceuticals: MajorHealth Technology Engages in the development of products for infectious diseases | Health Technology |
Sensei Biotherapeutics, Inc.
 Sensei Biotherapeutics, Inc. BiotechnologyHealth Technology Operates as clinical-stage biopharmaceutical company, which develops immunotherapies for cancers and infectious disease | Health Technology |
Kovina Therapeutics, Inc.
Kovina Therapeutics, Inc. Miscellaneous Commercial ServicesCommercial Services Operates as a biotechnology company | Commercial Services |
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