As an early pioneer in the high-throughput synthesis and sequencing of DNA, Dr. Leproust is disrupting markets to enable the exponential growth of DNA-based applications including chemicals/materials, diagnostics, therapeutics, food and digital data storage. In 2020, BIO presented her with the Rosalind Franklin Award for Leadership. Foreign Policy named her one of their 100 Leading Global Thinkers and Fast Company named her one of the Most Creative People in Business. Prior to Twist Bioscience, she held escalating positions at Agilent Technologies where she architected the successful SureSelect product line that lowered the cost of sequencing and elucidated mechanisms responsible for dozens of Mendelian diseases. She also developed the Oligo Library Synthesis technology, where she initiated and led product and business development activities for the team. Dr. Leproust designed and developed multiple commercial synthesis platforms to streamline microarray manufacturing and fabrication. She serves on the Board of Directors of GeneDx and is a co-founder of Petri, an accelerator for start-ups at the forefront of engineering and biology. Dr. Leproust has published over 30 peer-reviewed papers – many on applications of synthetic DNA, and is the author of numerous patents. She earned her Ph.D. in Organic Chemistry from University of Houston and her M.Sc. in Industrial Chemistry from the Lyon School of Industrial Chemistry. 

Patrick has a strong track record of high-growth sales in bioreagent, B2B and custom manufacturing organizations. His technical background paired with his ability to identify customer's unmet needs make him the ideal fit to lead our commercial organization. Before Twist Bioscience, Paddy served as Vice President of Sales and Marketing for Enzymatics (recently acquired by QIAGEN), leading commercial activities for North America and Europe, delivering significant top line growth and expanding the base of business to business customers. Prior to Enzymatics, Paddy held positions with increasing commercial focus, including Director of Business Development at Agilent Technologies, Director of Product Development for Beckman Coulter Molecular Diagnostics, and multiple technical roles in product development within Invitrogen and GE Healthcare/Amersham International. In addition, Paddy currently serves on the Scientific Advisory Board of Lasergen and previously served on the Scientific Advisory Board of Enzymatics. He holds a PhD in Nucleic Acid Chemistry from Southampton University and a BSc Hons in Chemistry from Heriot-Watt University.

Adam has deep financial acumen and strategic planning expertise across diverse businesses along with a track record of collaborating across teams to drive profitable growth. Prior to joining Twist, Adam served as chief financial officer of Eargo, Inc., where he was responsible for finance, accounting, investor relations, business operations, internal audit and information technology. During his tenure at Eargo, revenue increased more than 300% over the course of two years. Prior to Eargo, Adam was vice president, worldwide financial planning and analysis and business operations at Tesla, Inc. where he was responsible for worldwide pricing, forecasting, capital planning, development of internal controls, and optimization of business operations. Previously, Adam served as vice president, finance and chief financial officer, cardiovascular care at Cardinal Health as the finance leader for the worldwide Cordis Cardiovascular business. He held a series of roles of increasing responsibility at Johnson & Johnson, where he led the divestiture of Cordis to Cardinal Health. He held additional positions within Johnson & Johnson including controller of the diabetes franchise, manager of supply chain and quality finance and customer service finance. Adam holds an MBA from the University of Southern California, Marshall School of Business and a B.S. in chemical engineering from the University of California at Berkeley.

Aaron is a proven biologics leader adept at managing teams to discover and develop novel first-in-class antibody therapeutics. Prior to Twist Bioscience, he served as Chief Scientific Officer of LakePharma, leading the California Antibody Center, which discovers novel antibody therapeutics for its clients. Prior to LakePharma, he oversaw all discovery research functions both as Vice President of Protein Sciences at Surrozen, and previously, as Vice President of Research at Sutro Biopharma, Inc. He also served as Senior Director of Antibody Engineering at OncoMed Pharmaceuticals, where he was responsible for human antibody lead discovery and he served as project team leader on several key antibody projects through IND filing. Before OncoMed, Aaron held positions of increasing responsibility at Dyax Corp., most recently as Senior Director of Lead Discovery, leading antibody, peptide, and small protein discovery using their proprietary phage display technology. He earned his Ph.D. from the Massachusetts Institute of Technology where he studied MHC class II structure-function relationships. He is an author of over 30 peer reviewed papers and 40 issued patents in the antibody space.

Dr. Chen is a strategic thinker with proven track record of identifying, developing, and commercializing innovative products in NGS, synthetic biology, and other life science areas. He joined Twist shortly after the company was founded and lead product development for both the synthetic biology and NGS product lines. Dr. Chen conceived and implemented a new product line for NGS that includes synthetic controls for SARS-CoV-2 and other infectious diseases, developed gene synthesis and NGS target enrichment biochemistries, workflow, reagent kits, and infrastructure, and built the company’s prototype DNA synthesizer in collaboration with hardware, software, and silicon engineers, which later became a production-scale machine, serving as Twist’s foundation technology. Dr. Chen is the author of numerous peer-reviewed papers and issued patents in the field of oligonucleotide synthesis and application of synthetic oligonucleotides. He earned his Ph.D. in Chemistry from the University of Wisconsin – Madison, and B.Sc. in Chemistry from Peking University in Beijing, China. 

Paula Green is an experienced human resources executive with a track record of developing and delivering high-impact people strategies, solutions, processes and tools that support leadership competencies to empower a high performing organization. Prior to Twist Bioscience, she served as Vice President, Head of Human Resources at QIAGEN, where she oversaw 50 human resources professionals supporting 4,000 employees through mergers and acquisitions, restructurings and other pivotal corporate transactions. She was the human resources manager for Operon Technologies (acquired by QIAGEN) where her responsibilities included creating strategy, overseeing benefits for all employees, and delivering training, recruitment and retention programs.  She also worked as a Human Resources Consultant for the Federal Home Loan Bank of San Francisco. Paula holds a BS in Organizational Behavior from the University of San Francisco. 

Chet’s areas of expertise include cloud computing, application and solution architecture, cybersecurity, artificial intelligence and data analytics. Prior to joining Twist, Chet served as chief information officer at Wineshipping, where he successfully led the company’s transformation from logistics to a technology-driven organization, optimizing the technology stack, enhancing the consumer experience, and driving internal efficiency. Previously, he held key leadership positions including vice president and global head of IT at Intapp and chief information officer and head of technology at Magento Commerce (acquired by Adobe). He also held a series of progressively responsible roles at Applied Micro Circuits. Chet holds a master’s of applied science in engineering from the University of British Columbia and a bachelor’s in technology from the Indian Institute of Technology.

Mark is experienced in improving manufacturing efficiency and driving revenue and margin through managing supply chain and operations, including planning, quality, procurement and logistics. Prior to joining Twist, Mark served as corporate senior vice president, operations, global supply chain at Excelitas Technologies Corporation where he established a global footprint, drove global supply chain optimization measures, enabled scale up and drove revenue growth. His responsibilities included global supply chain planning, global sourcing and procurement supply, internal supply, supply quality and logistics inbound and outbound movement of freight. Prior to Excelitas, Mark was director, global supply chain management and general manager of resale product operations at Bio-Rad, Inc., where he managed buy-sell products, which grew in revenue to $270 million, significantly improving profitability over his time in the role. He previously held leadership positions including vice president operations, global manufacturing, supply chain and logistics at Celerity Group; director, operations management at Solectron corporation; and senior supply chain operations manager at Apple Computer, Inc. Before joining industry, Mark served in the United States Marine Corps. He holds an MBA from National University and a B.S. in electrical and computer engineering from University of Illinois, Urbana-Champaign.

Bill is a seasoned entrepreneur and silicon engineering expert. He has been a founder or first employee at four different start-ups and advises early stage startups. As VP of hardware engineering at Complete Genomics, he built their sequencing technology and delivered three generations of human genome chips and sequencers. Bill has twice been awarded multi-million dollar DARPA grants for the development of innovative technologies based on silicon micro machining. Bill’s career spans research, product development, and semiconductor device processing. He holds a PhD in Optical Sciences from the University of Arizona, an MS in Electrical Science from University of Michigan, and served as Staff Physicist at Lawrence Livermore National Laboratory.

As a senior communications executive with over twenty-five years of experience in the biopharmaceutical industry, Angela excels in crisp messaging and consistent communications, increasing visibility among key stakeholders, as well as carrying culture and communication throughout the organization. Prior to Twist, she led her own consultancy practice for 20 years, working with biopharmaceutical, medical device and diagnostics clients to create key messages to implement effective communication across external audiences. Prior to starting her own consultancy, Angela headed the investor relations and corporate communications department for Exelixis, Inc. She spent several years at Russell-Welsh, Inc., a boutique healthcare communications agency, working with a variety of public and private clients on a broad range of communications services. She holds a Bachelor of Science degree in cellular and molecular biology and a Bachelor of Arts degree in business marketing, both from the University of Washington. She currently serves as VP, Provisionals for her local chapter of National Charity League.

Dennis Cho is a seasoned in-house business attorney with a proven track record of agile strategic guidance and practical problem solving. Prior to Twist, he served as assistant general counsel at CytomX Therapeutics, where he was department head for all deals and contracts as well as day-to-day lead on compliance and numerous other legal subject matters. Prior to CytomX, Mr. Cho was the lead transactional attorney on antibody-related licenses and collaborations, major commercial agreements, and combination trials at Seattle Genetics. Before that, he spent nine years at Celgene as the lead West Coast attorney supervising over 100 business transactions, including in- and out- licenses, options, collaborations and M&A agreements, and held primary legal responsibility for Celgene’s alliances, equity investments and “big data” machine learning initiative. Prior to Celgene, Mr. Cho served as general counsel for four private and public companies. He earned his J.D. and a B.A. in Molecular Cell Biology (Genetics) from University of California, Berkeley.