Ambrx Biopharma Inc. Appoints Janet Loesberg to Board of Directors

June 6, 2022 12:00 UTC

SAN DIEGO--(BUSINESS WIRE)-- ​Ambrx, Inc., or Ambrx, (NYSE: AMAM), a clinical stage biopharmaceutical company using an expanded genetic code technology platform to create Engineered Precision Biologics (EPBs), today announced the appointment of Janet Loesberg, Pharm. D., to its Board of Directors.

“I am pleased to welcome Janet as the newest director to Ambrx’s Board,” said Feng Tian, Ph. D., Chairman of the Board, President, and CEO of Ambrx. “Janet brings with her more than three decades of experience in the pharmaceutical industry that spans the US, South America, Europe and Asia. I am confident that her perspective will prove valuable in driving Ambrx’s US and global strategy as we continue to progress our clinical development pipeline.”

Dr. Loesberg has over 30 years of pharmaceutical industry experience. Dr. Loesberg is currently Senior Vice President Global Medical Affairs at Blueprint Medicines, a leading precision therapy company, where she has been since March 2020. From September 2019 to March 2020, Dr. Loesberg was Vice President, Head of Portfolio and Project Management, Research & Development at Janssen, Pharmaceutical Companies of Johnson & Johnson where she was responsible for delivering the extensive pipeline on time and on budget. Dr. Loesberg also served in several executive roles at Bristol Myers Squibb from October 2007 to March 2019 including leading Medical Affairs for the launch of Opdivo in China, Brazil, Latin America, and many additional countries. She started her career at Pfizer, Inc. where she also held several US based leadership roles. Currently, Dr. Loesberg is a board member for All in Together, a non-profit organization that equips women with tools to drive meaningful policy change.

Dr. Loesberg holds a Pharm. D. degree from the University of Michigan, College of Pharmacy.

About Ambrx Biopharma Inc. (Ambrx)

Ambrx is a clinical stage biopharmaceutical company using an expanded genetic code technology platform to discover and develop Engineered Precision Biologics. These include next generation antibody drug conjugates (ADCs), bispecifics, targeted immuno-oncology therapies, novel cytokines to modulate the immune system, and long-acting therapeutic peptides for metabolic and cardiovascular disease. Ambrx is advancing a robust portfolio of clinical and preclinical programs designed to optimize efficacy, safety and ease of use, in multiple therapeutic areas, including its lead product candidate ARX788. In addition, Ambrx has clinical collaborations with multiple partners, for drug candidates generated using Ambrx technology. For more information, please visit

Forward-Looking Statements

This press release includes certain “forward-looking statements” intended to qualify for the “safe harbor” from liability established by the Private Securities Litigation Reform Act of 1995, as amended. Forward-looking statements may be identified by the words “anticipate,” believe,” “estimate,” “expect,” “intend,” “plan,” “project,” “may,” “will,” “could,” “should,” “seek,” “potential” and similar expressions, and include, without limitation, express or implied statements regarding Ambrx’s beliefs and expectations regarding the advancement and potential benefits of its product candidates, clinical development and strategic plans and Dr. Loesberg’s anticipated contributions. Forward-looking statements are based on Ambrx’s current expectations and are subject to inherent uncertainties, risks and assumptions that are difficult to predict. Factors that could cause actual results to differ include, but are not limited to, those risks and uncertainties associated with: the continuing impact of the COVID-19 pandemic and other public health-related risks and events on Ambrx’s business, operations, strategy, goals and anticipated milestones; Ambrx’s ability to execute on its strategy including with respect to the timing of its R&D efforts, initiation of clinical trials and other anticipated milestones; risks associated with development of novel therapeutics, including potential delays in clinical trials and regulatory submissions and the fact that future clinical trial results may not be consistent with preliminary results or results from prior preclinical studies or clinical trials; Ambrx’s ability to fund operations as anticipated; and the additional risks and uncertainties set forth more fully under the caption “Risk Factors” in Ambrx’s Annual Report on Form 20-F filed with the United States Securities and Exchange Commission (SEC) on April 26, 2022, and elsewhere in Ambrx’s filings and reports with the SEC. Forward-looking statements contained in this press release are made as of this date, and Ambrx undertakes no duty to publicly update or revise any forward looking statements, whether as a result of new information, future events or otherwise, except as may be required under applicable law.


Laurence Watts
Managing Director
Gilmartin Group, LLC.



Source: Ambrx, Inc.

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