Team

Dr. Hanadie Yousef is a leading expert on the biology of aging and mechanisms underlying tissue degeneration with over two decades of experience in biomedical research. In 2018, she launched Juvena Therapeutics, a venture-backed biotechnology company mapping the therapeutic potential of secreted proteins to develop biologics that prevent, reverse and cure chronic and age-related diseases. The company has secured about $60M to date and developed a proprietary pro-regenerative protein library supported by a computationally driven drug discovery and development platform that enables them to characterize human stem cell-secreted proteins for therapeutic potential. Their artificial intelligence-enhanced platform leverages multiple data modalities and technologies, including quantitative proteomics, multi-omics, high-content imaging and machine learning. Juvena’s scaling platform has enabled the identification, extensive preclinical validation, and lead optimization of three novel drug candidates, including a lead recombinant fusion protein headed towards an investigational new drug and anticipated to enter the clinic in 2024 for Myotonic Dystrophy Type 1, as well as mutliple discovery candidates with in vivo efficacy across several chronic, age-related and rare metabolic and muscle degenerative disease areas.

Dr. Yousef’s high-impact published research has been supported by fellowships and grants from the National Institute of Health (NIH), National Science Foundation, SPARK, and the California Institute for Regenerative Medicine and led to multiple issued and pending patents. She has received multiple awards and been named to various shortlists for her entrepreneurship and innovation, including the Biocom Catalyst award in 2022, Emerging Pharma Leader by Pharmaceutical Executive, Business Insider 30 under 40 in Healthcare, and Endpoints 20 under 40 lists in 2023. She earned her B.S., summa cum laude from Carnegie Mellon University and a PhD from UC Berkeley as an NSF graduate research fellow then completed a 5-year postdoctoral fellowship at Stanford School of Medicine as an NIH fellow and SPARK scholar.

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As Chief Scientific Officer and Co-Founder of Juvena Therapeutics, Dr. O’Connell oversees research strategy, pre-clinical science and manufacturing, and intellectual property efforts. Dr. O’Connell’s expertise in proteomics and systems biology expert accrued during a PhD from UT Austin, a postdoc at Harvard, and his time in industry.

Prior to Juvena Therapeutics, in his postdoctoral fellowship at Harvard Medical school in the lab of Steven Gygi, he leveraged large proteomics datasets to build machine learning classifiers to improve protein-protein interaction predictions within the ubiquitin system.

He has spearheaded research projects in multiple tier-one research institutions, including Harvard and Stanford, employing a combination of mass spectrometry, high throughput imaging, and computational approaches. His work has resulted in numerous peer-reviewed publications, approved and pending patents, millions in award grant funding as the primary PI, fellowships, and awards.

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Stephen Juelsgaard is the former executive vice president, secretary and chief compliance officer of Genentech, Inc. His career at Genentech spanned 24 years. In that role, Dr. Juelsgaard reported to Genentech’s CEO, Art Levinson, and was responsible for Genentech’s Corporate Law, Intellectual Property, Government Affairs (Federal and State), Human Resources, and Healthcare Compliance groups, as well as the Business Services group, which included Strategic Facilities Planning, Corporate Security, Business Continuity, and Environment, Health & Safety. He also chaired Genentech’s Capital Governance Committee, which oversaw major capital expenditures at the company, and was a member of Genentech’s executive committee, the most senior management committee at the company. He had oversight responsibility for more than 600 employees and an annual budget of approximately $250 million.

Juelsgaard joined Genentech in 1985 as corporate counsel and became senior corporate counsel in 1989. In 1992 he became vice president, Corporate Law and in 1994 was named general counsel, a role he served in through 2007. Juelsgaard was named secretary to the Board of Directors in 1997 and a senior vice president in 1998. In 2002, he was appointed executive vice president, in 2005 was named chief compliance officer, and in 2007 he became responsible for oversight of the Government Affairs group. Juelsgaard was the company’s representative on the board of directors of the California Healthcare Institute from 2005 until 2009.

Prior to joining Genentech, Juelsgaard was an associate for three years with the law firm Wilson Sonsini Goodrich & Rosati in Palo Alto, California. Prior to attending law school, Juelsgaard was engaged for three years in a private veterinary medical practice.

Juelsgaard currently teaches at the Stanford Law School. He currently serves on the board of directors of Altrubio, an antibody-drug conjugate company targeting a variety of autoimmune and immune-mediated inflammatory diseases. He is a past member of the board of directors of Ivivi Health Sciences LLC, a private medical device company, and of Rio Grande Neurosciences, Inc., a private company engaged in the development of pulsed electromagnetic field technology as well as transcranial electrical stimulation and transcranial magnetic stimulation technologies.

Juelsgaard received his Doctor of Veterinary Medicine degrees from Iowa State University in 1972 and a Masters Degree in Veterinary Clinical Sciences in 1975 from Iowa State University, and in 1982 he received a law degree from Stanford Law School.

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