Chief Executive Officer

Dr. Feehery has served as Chief Executive Officer of Certara since June 2019. His joined Certara from DuPont, where he served since 2013 as President of Industrial Biosciences, a global biotechnology business that experienced significant growth and profitability under his leadership. He joined DuPont in 2002 and served in a number of operating roles in high-growth businesses, and he also has previous experience in venture capital and as a consultant for the Boston Consulting Group.

Dr. Feehery also serves as a board member for West Pharmaceutical Services (NYSE: WST), a manufacturer of packaging components and delivery systems for pharmaceutical, biotech and medical device companies.

Dr. Feehery holds both a Ph.D. in chemical engineering and an MBA from MIT, was a Churchill Scholar at Cambridge University and received his BSE in chemical engineering from the University of Pennsylvania. His doctorate, awarded while he was the recipient of a National Science Foundation Fellowship, involved developing software and mathematical methods for modeling dynamic systems.

Chief Financial Officer
Mr. Schemick joined Certara as Chief Financial Officer in August 2014. He brings 19 years of financial management experience to the company in a wide range of industries, including software and consulting organizations. Before Certara, Schemick served as Vice President of Financial Planning and Analysis for Haights Cross Communications, a holding company for education and media investments, playing a key role in business transformation, strategy, and financial operations on behalf of private equity investors. Schemick also held Chief Financial Officer roles for two divisions of Kaplan Inc, a leading education company, and has significant experience in both public and private equity backed enterprises. Schemick started his career at Arthur Andersen after graduating with an MBA in accounting from Rutgers University. In addition, he has earned the titles of CPA and CTP.
President, Simcyp

Rob Aspbury, PhD, is the President of Certara’s Simcyp division. Prior to this appointment, he served as Simcyp’s Chief Operating Officer. Simcyp provides Population-based Pharmacokinetic Modeling which is used during the drug development process. These software platforms include Quantitative Systems Pharmacology (QSP), Quantitative Systems Toxicology and Safety (QSTS) and physiologically-based pharmacokinetic (PBPK) technology.

Dr. Aspbury brings more than 17 years’ commercial and scientific leadership experience with Covance to Certara. Dr. Aspbury was appointed Global Finance Director for Covance’s Clinical Pharmacology Services Division in 2003 and was rapidly promoted within the division to Managing Director, then Vice President, Europe, and later Vice President and General Manager, Global. His most recent appointment was Vice President of Covance Strategic Solutions, Biosimilars.

Dr. Aspbury earned a doctorate in biochemistry from the University of Liverpool in 1995. He is also a chartered accountant.

Chief Strategy & Marketing Officer

Ms. Choe is Certara’s Chief Strategy and Marketing Officer where she is responsible for spearheading strategic planning and all aspects of Certara’s marketing efforts, including branding, integrated marketing, market development, and market research.  Previously, Jieun served as Certara’s Senior Vice President of Strategic Ventures where she developed and executed innovative, strategic initiatives for the company in collaboration with business units and key opinion leaders.  She specializes in consumer insights and developing and implementing differentiated business strategies to position companies for growth.

Before joining Certara in 2016, Ms. Choe was Chief Marketing Officer at Triumph Learning and prior to that Executive Director of Marketing at Kaplan’s Precollege Division. She has also held strategic planning and product management positions at Guidant and Boston Scientific.  Jieun earned her Bachelor of Arts degree in Public Policy and Economics from Stanford University and an MBA at Stanford University Graduate School of Business.

SVP, Corporate Development

Mr. Ron DiSantis has more than 15 years of experience in corporate development, with a proven track record of identifying strategic growth opportunities and executing mergers & acquisitions. Before joining Certara, he was at IQVIA for more than 6 years as Vice President, Corporate Development, where he was responsible for M&A activities for several business units and led the venture investment program globally. Previously, he has also held corporate development roles at Vishay Intertechnology and Airgas, Inc..

Mr. DiSantis earned his Bachelor of Science in Accounting from Pennsylvania State University and an MBA from The Fox School of Business, Temple University. He holds a Chartered Financial Analyst designation from the CFA Institute and is also Six Sigma Green Belt Certified.

Chief Innovation Officer

Prior to joining Certara, Dr. Mandema founded Quantitative Solutions in 2005 after spending more than 18 years in clinical pharmacology research and consulting. In addition, he was Senior Vice President and Chief Scientific Officer at Pharsight from 1996 to 2004. Mandema joined Pharsight in its infancy and played a critical role in its growth into a public company whose modeling and simulation services are highly regarded across the industry. At Pharsight, he was responsible for the scientific leadership of the company, the development of novel methods and the implementation of these methods in new software products. He pioneered the building and modeling of clinical trial outcome databases in evaluating product profiles across competing drugs. Before Pharsight, Mandema was Director of New Products Discovery at ALZA Corporation, responsible for defining new product opportunities for ALZA’s delivery technologies.

Mandema’s research interests are applying modeling and simulation to optimize treatment strategies, trial designs, and drug development decision-making. He has published extensively and received several awards for his academic contributions, including the Tanabe Young Investigators Award from the American College of Clinical Pharmacology and the Leon Goldberg Young Investigator Award from the American Society for Clinical Pharmacology and Therapeutics. Mandema started his professional career as an assistant professor of pharmaceutical sciences at the department of anesthesia, Stanford University School of Medicine. He received his PhD (cum laude) from the division of pharmacology at the Center for Bio-pharmaceutical Sciences, University of Leiden and his MS (cum laude) from the School of Pharmacy, University of Utrecht, the Netherlands.

President, Software

Leif E. Pedersen is a seasoned software industry executive with more than 35 years of experience delivering software solutions across multiple industries and a proven track record of delivering high value customer-driven innovative software solutions. Mr. Pedersen was most recently senior operating partner at SymphonyAI responsible for portfolio companies across life sciences, healthcare, industrial, and defense industries.

Previously, Mr. Pedersen was chief executive officer of BIOVIA at Dassault Systèmes, a scientific software brand providing solutions for life and material sciences industries.  Before joining BIOVIA, Mr. Pedersen served as executive vice president at Innovative Interfaces; senior vice president at Accelrys Software, Inc.; and vice president at Siemens Corporation. Mr. Pedersen has also held executive leadership positions with Vignette Corporation, Novell Inc., CA Technologies, and Oracle Corporation.

Chief Scientific Officer

Professor Rostami is the Senior Vice President of Research & Development and Chief Scientific Officer at Certara. His mission is to ensure that the latest scientific advances in the field of biosimulation are incorporated into all of the drug development efforts by various pharmaceutical companies. He joined Certara in 2012 as a co-founder of Simcyp Limited (a University of Sheffield spin-off which was  acquired by Certara),

Amin is also a Professor of Systems Pharmacology and the Director of the Centre for Applied Pharmacokinetic Research (CAPKR) at the University of Manchester. He has an active program of training PhD students involving proteomics, physiologically-based pharmacokinetics and pharmacodynamics, and precision dosing within CAPKR, and numerous graduates from his team are currently active in pharmaceutical industry or academic research.

Professor Rostami was the first full Professor appointed with the title of Systems Pharmacology in 2007 whilst working at the University of Sheffield, He has authored/co-authored over 250 highly cited articles (>12,500 citations, H-Factor >55). In 2017, he was listed by ISI as one of the world’s most highly cited researchers (under ‘Pharmacology & Toxicology’). He was a founding editor of Pharmacometrics and System Pharmacology and has served on the Editorial Boards of several other journals (e.g. BDD, CDM, CPDD, DMPK, JPKPD, BJCP). Professor Rostami is renowned for his contribution to translational modelling (e.g. PBPK) and has been an invited speaker at over 200 international and national meetings, in addition to leading numerous workshops in the area of IVIVE- PBPK linked models.

Chief Human Resources Officer
Nicolette D. Sherman_thumbnail

Nicolette Sherman has over 15 years of human resources experience in the pharmaceutical industry. Prior to joining Certara, Nicolette served as the Chief Human Resource Officer at Oyster Point Pharma. Before this, she worked at Sanofi for almost 12 years, most recently as the Vice President of North America Human Resources Operations, where she led the HRBP organization in supporting all businesses across the US and Canada. Nicolette also served as the Vice President, Global Leadership Development and Frameworks, where she launched corporate values and leadership competencies and harmonized the leadership and management curricula on a global basis.

Prior to joining Sanofi, Nicolette held various positions of increasing responsibility at Schering-Plough, AT&T, and Prudential. She is a progressive business leader with a proven track record in establishing HR strategy, as well as programs and practices, to drive business impact and organizational results. She is a certified executive coach (ICF, IPEC), and she is a two-time recipient of the PharmaVoice 100 Inspiring Leaders honor. Nicolette serves as the President of the Board of Directors for Deirdre’s House, the child advocacy center for Morris County. She holds a Master’s degree in Human Resource Management from Rutgers University and a Master’s degree in Political Science from the University of Delaware. She received a Bachelor of Arts in Government from Lehigh University.

President, Integrated Drug Development

Dr. Patrick F. Smith is President of Integrated Drug Development at Certara, where he leads a global team of drug development scientists that creates value for clients across the entire life cycle and ultimately accelerates patient access to medicines. With more than 20 years of drug development experience, Patrick has worked across all phases of drug development with deep expertise in infectious diseases, oncology, and inflammation as well as novel early development program design and applying modeling and simulation to solve critical development problems.

Previously, Patrick was co-founder of d3 Medicine (acquired by Certara in 2016), helping to build a healthcare company that specialized in providing strategic support for complex development programs. Prior to d3 Medicine, Patrick was U.S. Clinical Pharmacology Lead at Roche for more than 5 years, where he worked in various roles of increasing responsibility in clinical pharmacology and translational medicine. He has served as an Associate Professor at the University at Buffalo School of Pharmacy and Roswell Park Cancer Institute in Buffalo, NY.

Patrick has published more than 125 peer-reviewed articles in journals, including the New England Journal of Medicine and Lancet. He holds a PharmD from the University of California, San Francisco and completed his clinical residency at Duke University Medical Center.

General Counsel

Rich Traynor serves as Certara’s General Counsel. Rich has been practicing law for over 20 years at publicly-traded and privately-held life sciences companies. Rich began his legal career in Dallas, Texas at the law firm of Jenkens & Gilchrist. In 2002, he moved back to his home state of New Jersey, where he became a partner at Porzio, Bromberg & Newman. In 2009, Rich joined LifeCell Corporation, where he became the Chief Legal and Compliance Officer. In that role, Rich served on the executive leadership team and was responsible for all legal and compliance matters, including licensing and acquisitions, buy- and sell-side contracting, dispute resolution, and enterprise risk assessment and mitigation. While at LifeCell, Rich also had responsibility for legal matters related to the commercial-side of LifeCell’s parent company, Acelity, in North and Latin America. Following a successful sale of the LifeCell business to Allergan, Rich joined Edge Therapeutics, a clinical stage biotechnology company, where he had broad responsibilities involving all legal matters impacting the Edge business, including negotiating complex commercial transactions, corporate governance, and developing corporate policies and procedures.

Rich graduated magna cum laude from the University of Notre Dame, where he earned a degree in the Program of Liberal Studies, and he received his law degree from the University of Virginia School of Law.

Interim President, Regulatory & Access

Drayton has 20 years of experience in the pharmaceutical industry and was most recently at IQVIA for 10 years. Before joining Certara, he was Vice President and Global Head of Sales for the Real World Solutions Global Business Unit at IQVIA. He was responsible for driving all sales teams and marketing activities across the Real World Solutions Business Unit to deliver year on year revenue growth. Drayton has held other commercial leadership roles at IQVIA, including helming the global account team responsible for delivery excellence and revenue growth across all lines of business for a top 5 global biopharmaceutical company, leading business development in the US and Canada, and heading up business development in the Asia Pacific region while residing in Singapore.

Prior to joining IQVIA in 2011, Drayton was the head of investor relations at Talecris Biotherapeutics, where he built and managed the IR function post the company’s IPO and through its acquisition by Grifols. While at Talecris, he also ran the commercial organization for a portfolio of specialty immune globulins. Previously, Drayton was an executive with GlaxoSmithKline in marketing and sales.

Drayton has a bachelor’s degree in chemistry from Washington and Lee University and an MBA from Duke University's Fuqua School of Business.