![Mark Simon](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>)
Mark Simon
Director/Board Member at
CABALETTA BIO, INC.
Net worth: 582 895 $ as of 31/05/2026
Profile
Mark Simon was the founder of Torreya Partners LLC.
Current positions include Vice Chairman at Alliance for Aging Research since 2023, Director at Hutchison Biofilm Medical Solutions, Inc., and Independent Director at Cabaletta Bio, Inc. since 2018.
Former roles include Managing Director & Head-Life Sciences at Citigroup, Inc. from 2002 to 2005, Director at ControlRad, Inc. from 2012 to 2019, Managing Director at Citigroup Asset Management, Independent Non-Executive Director at Sun Pharma Advanced Research Co. Ltd. from 2017 to 2020, Managing Director at Robertson Stephens & Co., Independent Director at Alpha Compute Corp.
from 2022 to 2024, Analyst at Robertson Stephens, Inc., and Head-Life Sciences Investment Banking at Citigroup Global Markets India Pvt Ltd. Education includes undergraduate studies at Columbia College (MO) and an MBA from Harvard Business School.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
CABALETTA BIO, INC. 0.17% | 09/06/2026 | 154,205 ( 0.17% ) | 582 895 $ | 31/05/2026 |
Mark Simon active positions
| Companies | Position | Start |
|---|---|---|
| CABALETTA BIO, INC. | Director/Board Member | 01/10/2018 |
Alliance for Aging Research
 Alliance for Aging Research Miscellaneous Commercial ServicesCommercial Services Operates as a national citizen advocacy organization | Director/Board Member | - |
Hutchison Biofilm Medical Solutions, Inc.
 Hutchison Biofilm Medical Solutions, Inc. MiscellaneousMiscellaneous Operates as non-classified establishment | Director/Board Member | - |
Former positions of Mark Simon
| Companies | Position | End |
|---|---|---|
| ALPHA COMPUTE CORP | Director/Board Member | 25/04/2024 |
| SUN PHARMA ADVANCED RESEARCH COMPANY LIMITED | Director/Board Member | 02/03/2020 |
ControlRad, Inc.
 ControlRad, Inc. Medical SpecialtiesHealth Technology Develops medical devices | Director/Board Member | 01/01/2019 |
| CITIGROUP INC. | Corporate Officer/Principal | 01/01/2005 |
Robertson Stephens & Co.
 Robertson Stephens & Co. Investment Banks/BrokersFinance Provides brokerage services | Corporate Officer/Principal | - |
Training of Mark Simon
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
75
1st degree connections
14
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 14 |
|---|---|
Citigroup, Inc.
 Citigroup, Inc. Major BanksFinance Provides retail, investment, commercial banking, brand cards, securities sale & exchanges services | Finance |
AlphaTON Capital Corp.
 AlphaTON Capital Corp. Packaged SoftwareTechnology Services Operates as an AI compute infrastructure company that provides hardware-enforced GPU as a service solutions | Technology Services |
ControlRad, Inc.
ControlRad, Inc. Medical SpecialtiesHealth Technology Develops medical devices | Health Technology |
Citigroup Asset Management
 Citigroup Asset Management Investment ManagersFinance Provides investment advice | Finance |
Robertson Stephens & Co.
Robertson Stephens & Co. Investment Banks/BrokersFinance Provides brokerage services | Finance |
Columbia College (MO)
 Columbia College (MO) Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Robertson Stephens, Inc.
 Robertson Stephens, Inc. Investment Banks/BrokersFinance Brokerage | Finance |
Citigroup Global Markets India Pvt Ltd.
 Citigroup Global Markets India Pvt Ltd. Investment Banks/BrokersFinance Provides brokerage services | Finance |
Alliance for Aging Research
Alliance for Aging Research Miscellaneous Commercial ServicesCommercial Services Operates as a national citizen advocacy organization | Commercial Services |
Sun Pharma Advanced Research Co. Ltd.
 Sun Pharma Advanced Research Co. Ltd. Pharmaceuticals: MajorHealth Technology Operates as a pharmaceutical research and development company | Health Technology |
Torreya Partners LLC
 Torreya Partners LLC Investment ManagersFinance Provides financial advisory services | Finance |
Harvard Business School
 Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Hutchison Biofilm Medical Solutions, Inc.
Hutchison Biofilm Medical Solutions, Inc. MiscellaneousMiscellaneous Operates as non-classified establishment | Miscellaneous |
Cabaletta Bio, Inc.
 Cabaletta Bio, Inc. BiotechnologyHealth Technology Operates as a biotechnology company which discovers and develops engineered cell therapies for B cell-mediated autoimmune diseases | Health Technology |
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