Daniel J. O'Connor in

Daniel J. O'Connor

Supporter · DISC type s
Chief Executive Officer at Jubilant Therapeutics Inc
📍 Pennington, New Jersey, United States

Daniel J. O’Connor is a 25+ year biotech executive specializing in oncology drug development and corporate turnarounds. As CEO of companies like Jubilant Therapeutics and Ambrx, he has a record of scaling clinical-stage enterprises, highlighted by the $2 billion acquisition of Ambrx under his leadership. He holds a J. D. from Penn State Dickinson Law.

Outside of his corporate roles, Daniel is a U. S. Marine Corps veteran who served as a Captain during Operation Desert Shield. A second-generation Irish American, he values home and family, is married with three sons, and mentions enjoying a cold beer at the end of the day.

Unique fact: Before his career in biotech, he served as a criminal prosecutor in Somerset County, New Jersey.

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Experience
10 Years
Current Role
Chief Executive Officer
Job Level
Leadership
Location
Pennington, New Jersey, United States
Personality Overview

How Daniel shows up

Thoughtful In Approach
Procedural
Social Proof Driven

They maintain good relationships with everyone, internally and externally. They are motivated by the potential impact of their decision on the organization. They are unlikely to become strong champions as they don't prefer pushing other people.

Priorities

Topics Daniel cares about

Biotech Turnarounds
He has a reputation for transforming underperforming biotechs, taking Ambrx from a $40M valuation to a $2B acquisition and bringing Advaxis back from near-bankruptcy.
Oncology Drug Development
His entire career is focused on oncology, from his early involvement with Erbitux at ImClone to leading multiple clinical-stage cancer therapy companies.
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Career

Work history

12-2025
Chief Executive Officer
Jubilant Therapeutics Inc
11-2022 - 3-2024
Chief Executive Officer and Director
Ambrx
6-2021 - 12-2022
Co-Founder, CEO and Director
Larkspur Health Acquisition Corp.
9-2017 - 6-2021
President, CEO and Director
OncoSec
1-2013 - 7-2017
President, CEO and Director
Advaxis, Inc.
In the press

Media appearances

No media yetWe could not find public media appearances for this person.
Education
1992 - 1995
Doctor of Law (JD)
Penn State Dickinson Law
1984 - 1987
Bachelor of Arts (B.A.)
Boston University
Social presence
in
Behavioral profile

DISC profile (public)

s

Steadiness (S)

Steadiness (S) reflects the degree to which a person is likely to focus on cooperation, support and taking everyone along. Those scoring high tend to be consistent and calm.

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