![Bruce Steel](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>)
Bruce Steel
Chief Executive Officer at
EQUILLIUM, INC.
Net worth: 11 M $ as of 2026-05-30
Profile
Bruce D.
Steel was the founder of Rincon Pharmaceuticals, Inc., founded in 2004, where the title held was Chief Executive Officer from 2005 to 2008.
Mr. Steel is the founder of Equillium, Inc., founded in 2017, holding the titles of Director, Chief Executive & Financial Officer starting in 2025.
Current jobs include Director at Breathe Technologies, Inc., and Managing Director at BioMed Ventures since 2010.
Former jobs include Director at ZP Opco, Inc., AEGEA Medical, Inc., San Diego Venture Group, J.E.M.
Capital, Inc. from 2013 to 2014, and Zosano Pharma Corp.
from 2016 to 2017; Head-Corporate Development at Ambit Biosciences Corp.
from 2002 to 2005; Vice President-Corporate Development at PayMyBills.com, Inc., Imperial Bank (Inglewood, California), and TheBrain Technologies LP; Chief Business Officer at Bird Rock Bio Sub, Inc. and Anaphore, Inc. (Delaware) from 2008 to 2010.
Education includes an undergraduate degree from Dartmouth College conferred in 1988 and an MBA from USC Marshall School of Business conferred in 1995.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
EQUILLIUM, INC. 5.87% | 2026-03-31 | 3,711,995 ( 5.87% ) | 11 M $ | 2026-05-30 |
Bruce Steel active positions
| Companies | Position | Start |
|---|---|---|
| EQUILLIUM, INC. | Chief Executive Officer | 2019-12-31 |
BioMed Ventures
 BioMed Ventures Investment ManagersFinance BioMed Ventures invests in companies located in the United States. The firm targets companies operating across a broad range of sectors and industries. It participates in early stage transactions. | Chief Executive Officer | 2010-08-31 |
Breathe Technologies, Inc.
 Breathe Technologies, Inc. Medical SpecialtiesHealth Technology Develops and manufactures chronic obstructive pulmonary disease therapy devices | Director/Board Member | - |
Former positions of Bruce Steel
| Companies | Position | End |
|---|---|---|
| ZOSANO PHARMA CORPORATION | Chairman | 2016-05-03 |
| J.E.M. CAPITAL INC | Director/Board Member | 2014-04-06 |
Bird Rock Bio Sub, Inc.
 Bird Rock Bio Sub, Inc. BiotechnologyHealth Technology Operates as a clinical stage biopharmaceutical company | Corporate Officer/Principal | 2009-12-31 |
Anaphore, Inc. (Delaware)
 Anaphore, Inc. (Delaware) Pharmaceuticals: MajorHealth Technology Develops protein therapeutics for patients with life-threatening diseases | Corporate Officer/Principal | 2009-12-31 |
Rincon Pharmaceuticals, Inc.
 Rincon Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops human therapeutic proteins | Chief Executive Officer | 2007-12-31 |
Training of Bruce Steel
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
66
1st degree connections
17
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 17 |
|---|---|
Ambit Biosciences Corp.
 Ambit Biosciences Corp. Pharmaceuticals: MajorHealth Technology Develops and sells molecule kinase inhibitors for the treatment of cancer | Health Technology |
Rincon Pharmaceuticals, Inc.
Rincon Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops human therapeutic proteins | Health Technology |
Breathe Technologies, Inc.
Breathe Technologies, Inc. Medical SpecialtiesHealth Technology Develops and manufactures chronic obstructive pulmonary disease therapy devices | Health Technology |
ZP Opco, Inc.
 ZP Opco, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and develops pharmaceuticals | Health Technology |
AEGEA Medical, Inc.
 AEGEA Medical, Inc. Packaged SoftwareTechnology Services Develops application technology that utilizes convective water vapor to treat menorrhagia | Technology Services |
J.E.M. Capital, Inc.
 J.E.M. Capital, Inc. Financial ConglomeratesFinance Operates as a shell company | Finance |
Dartmouth College
 Dartmouth College Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
PayMyBills.com, Inc.
 PayMyBills.com, Inc. Regional BanksFinance Provides online bill payment services | Finance |
Imperial Bank (Inglewood, California)
 Imperial Bank (Inglewood, California) Major BanksFinance National commercial bank | Finance |
TheBrain Technologies LP
 TheBrain Technologies LP Information Technology ServicesTechnology Services Provides visual content management solutions | Technology Services |
San Diego Venture Group
 San Diego Venture Group Financial ConglomeratesFinance Provides funding for start up companies | Finance |
Bird Rock Bio Sub, Inc.
Bird Rock Bio Sub, Inc. BiotechnologyHealth Technology Operates as a clinical stage biopharmaceutical company | Health Technology |
USC Marshall School of Business
 USC Marshall School of Business Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Zosano Pharma Corp.
 Zosano Pharma Corp. Pharmaceuticals: MajorHealth Technology Operates as a clinical-stage biopharmaceutical company that specializes in the systemic administration of therapeutics | Health Technology |
BioMed Ventures
BioMed Ventures Investment ManagersFinance BioMed Ventures invests in companies located in the United States. The firm targets companies operating across a broad range of sectors and industries. It participates in early stage transactions. | Finance |
Equillium, Inc.
 Equillium, Inc. BiotechnologyHealth Technology Engages in the development of products for severe immune-inflammatory disorders | Health Technology |
Anaphore, Inc. (Delaware)
Anaphore, Inc. (Delaware) Pharmaceuticals: MajorHealth Technology Develops protein therapeutics for patients with life-threatening diseases | Health Technology |
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