Stanford University
Showing 281-290 of 610 Results
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Jeffrey Peng, MD
Clinical Assistant Professor (Affiliated), Medicine - Primary Care and Population Health
BioDr. Peng is a board-certified specialist in sports medicine and family medicine. He provides care for athletes of all ages and enjoys helping everyday patients achieve and sustain a healthy, active lifestyle. His expertise includes orthobiologics, such as platelet-rich plasma, and ultrasound-guided minimally invasive techniques to treat osteoarthritis, tendinopathies, and other musculoskeletal conditions.
Outside of work, Dr. Peng enjoys reading, exercising, cooking, spending time with his wife, and creating fun mischief with his daughter and son. He is also fluent in Mandarin. -
Crystal Pennywell
Faculty Affairs and Staffing Manager, Mechanical Engineering
Current Role at StanfordFaculty Affairs & Staffing Manager in the Mechanical Engineering Department
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Janis C Pepper
Staff, Precourt Institute Affiliates
Research Fellow - Community Engagement, Precourt Institute for EnergyBioJan Pepper has more than 30 years of experience in the energy and utility industry, with a legacy of industry-leading innovations. Most recently, from 2016 to 2023, she was the founding Chief Executive Officer of Peninsula Clean Energy, the community choice energy program serving the unincorporated county and all 20 cities in San Mateo County, as well as the City of Los Banos. Under Jan’s leadership, Peninsula Clean Energy has one of the cleanest electricity portfolios in the industry, delivering 100% clean electricity, and at a lower cost than the incumbent utility. During Jan’s tenure, she advanced the forward-looking goal of delivering 100% renewable energy on a 24/7 basis at no additional cost.
Over the course of her career, Jan has founded four energy-related start-ups. She is a pioneer and innovator in industry. At APX, she developed and implemented the first use of renewable energy credits, which now serve as the standard currency for trading and tracking renewable power. At Clean Power Markets, her company designed and implemented the successful Solar Renewable Energy Credit (SREC) program for the State of New Jersey.
In 2017, the U.S. EPA and the Center for Resource Solutions honored her as the Green Power Leader of the Year. Jan served eight years on the Los Altos City Council and was Mayor in 2015 and 2020. She served on the Board of Directors of the Bay Area Air Quality Management District from 2013 to February 2017. Jan is currently a Visiting Scholar at the Precourt Institute for Energy in the Stanford Doerr School of Sustainability and co-teaches a course on energy during the fall quarter. She has a BS in civil engineering and an MBA, both from Stanford University. She is the recipient of the Stanford Doerr School of Sustainability Distinguished Alumni Award for 2025. -
Charlotte Pera
Executive Director, Sustainability Accelerator
BioCharlotte Pera has worked for more than 30 years in clean energy, climate change, and philanthropy. In 2023 she was named one of the 50 most powerful women in U.S. philanthropy by Inside Philanthropy magazine. In July 2024, she became the first Executive Director of the Sustainability Accelerator at the Stanford Doerr School of Sustainability. Previously, she served as Vice President and Deputy CEO at the Bezos Earth Fund, a philanthropic organization created by Jeff Bezos that is spending $10 billion this decade to address climate change and protect and restore nature. Before joining the Earth Fund, Charlotte served for nearly nine years as President & CEO of the ClimateWorks Foundation, a leading philanthropic organization that works globally to advance climate solutions through intelligence services, convening, and grantmaking. Earlier in her career, Charlotte advanced clean energy technology and policy in the U.S. and China at the Energy Foundation and at engineering consulting firm Acurex.
Charlotte serves on the advisory board of the 100X Impact Accelerator at the London School of Economics, the governing board of the International Council for Clean Transportation, and the World Economic Forum’s Global Future Council on Philanthropy for Climate and Nature. She is a Senior Fellow at the Bezos Earth Fund and a Senior Fellow with the Mission Possible Partnership. She holds B.S. and M.S. degrees in mechanical engineering from Stanford University.