Leadership

Marc J. Centrella joined Repligen in May 2018 as Vice President of Business Development and Strategy.  Prior to joining Repligen, Mr. Centrella worked at Becton Dickinson and Company as a Senior Director in BD’s Corporate Development & Strategy team where he helped execute a variety of strategic and transformative M&A transactions including BD’s $24B acquisition of C.R. Bard and the formation of BD’s Respiratory Solutions joint venture with Apax Partners.  Prior to joining BD in 2015, Mr. Centrella worked as a Director of Corporate Development for Catalent Pharma Solutions sourcing and executing a number of strategic acquisitions leading up to the company’s successful IPO in 2014.  From 2005 to 2013, Mr. Centrella worked as an investment banker for Deutsche Bank Securities and Bank of America Merrill Lynch covering financial institutions clients.  Mr. Centrella received a B.A. in Business Administration, Finance from Ramapo College of New Jersey in 2004.  

Gautam Choudhary joined Repligen in November 2018 as Vice President and General Manager of Bioprocess Systems and Automation. He is responsible for building the infrastructure and developing the strategy for TFF systems and advancing workflows for continuous manufacturing. Before coming to Repligen, Gautam worked at Lonza supporting strategic and operational projects and developing the go-to-market strategy for Cell and Gene Therapy for Bioscience Solutions.  Prior to Lonza, he spent twelve years at Life Technologies/Thermo Fisher leading the Cell Culture (Gibco) business for Bioproduction.  Before joining Life, he held several technical and commercial roles at Millipore in Asia and Europe supporting filtration, chromatography and the systems business.  Mr. Choudhary holds a Bachelor's Degree in Mechanical Engineering and an MBA in Marketing from Leeds University, UK.

John Connors joined Repligen in December 2016 as Vice President with responsibility for the TangenX business in Shrewsbury, MA. Mr. Connors was previously President of TangenX Technology Corporation, a company he founded in 2004 to develop and manufacture industry leading tangential flow filtration (TFF) products. While at TangenX, Mr. Connors and his team were responsible for bringing the first purpose-built single-use TFF cassette to the market. Mr. Connors has spent the last twenty-three years working in the bioprocess and life science industries, first with Pall Filtron, then with Becton Dickinson and TangenX. Throughout his career in the biotechnology industry, Mr. Connors has held leadership roles in manufacturing, product design/engineering, and corporate management. He has Bachelor of Science degree in Mechanical Engineering from Worcester Polytechnic Institute in Worcester, MA.

Before joining Repligen in 2015, Steve Curran was a Global Network Leader of Life Technologies/Thermo Fisher Scientific.  For the last 10 years, Mr. Curran has managed Global Genetic Analysis and Chromatography consumables operations at multiple sites around the globe, building efficient operations utilizing Lean methodologies and upgrading Quality systems.  He also led the design, construction and commissions of two multiple-product plants that meet stringent regulatory requirements.  Prior to this role, Mr. Curran worked as a Development Engineer for 15 years in the biotechnology industry at different levels of leadership, with roles including product transfer, process scale-up and validation.  He received a B.S. in Chemical Engineering from WPI in Worcester, MA.

Ken Elmer joined Repligen in November 2016. He has over 30 years of experience in the professional services industry,  IT services and technical and management consulting.  Ken has worked with high growth and entrepreneurial companies in multiple countries and in a wide variety of industries, including Manufacturing, Insurance. Financial Services, Life Sciences, Distribution and Telecommunications.  Most recently, Ken was the Chief Human Resources Officer of Attune Consulting, a global SAP service provider. Prior to that, he was with Celerant Consulting, an Operations Management consulting firm, as the Senior Vice President of Human Resources. Other previous leadership positions include Vice President of Human Resources at GlassHouse Technologies, Chief People Officer at Viant Corporation and Vice President of HR at Cambridge Technology Partners, where he held numerous line and leadership roles over nine years, including launching operations in both Ireland and Switzerland.

Before joining Repligen in 2015, Christine Gebski was Head of the POROS^® Business Unit within the Bioproduction Division of Applied Biosystems/LIFE Technologies/Thermo Fisher Scientific, working with purification products, including POROS^® and CaptureSelect^®  chromatography resins.  She managed Global Process Chromatography Applications for ten years, developing collateral and providing technical support, supporting new product development and manufacturing process improvement efforts. She also managed R&D, developing and commercializing three new chromatography resins. Before joining LIFE Technologies, Ms. Gebski was a Process Development Scientist for 15 years in the biotechnology industry, with roles in both development and engineering functions, including developing, scaling, transferring and validating downstream purification processes.  She received a B.S. in Biology from the University of Vermont and a M.S. in Biotechnology from the University of Massachusetts at Lowell.

Rachel Goodrich was named Vice President of Marketing in March 2017 after joining Repligen in January 2015. She rebranded Repligen as a bioprocessing company, developed and launched the Repligen website, implemented high ROI tools for the commercial organization from innovative Marketing-On-Demand to targeted technical roadshows and webinars, building out an organization covering strategic marketing, market research, digital marketing and marketing communications.  Prior to joining Repligen, she was Market Development Leader for the Bioproduction Division of LIFE Technologies/ Thermo Fisher Scientific/ Applied Biosystems, responsible for global market development and marketing programs for four franchise business units, and was the recipient of numerous Marketing Excellence Awards. She holds a Bachelor's degree in Economics from the University of the Philippines, a Master's Degree in Economics and a Master's Degree in Education from Stanford University.

Vikas Gupta joined Repligen in March 2016 as Vice President of Business Development and Strategy.  Prior to joining Repligen,  Mr. Gupta worked at GE Life Sciences from 2012 to 2015 in commercial leadership roles managing its Enterprise Solutions & Services business as well as the single-use and filtration portfolio.  Before GE, Mr. Gupta worked at Millipore from 2004 to 2011 in business development and product management roles,  playing an instrumental role in the early growth of its Mobius single-use bioprocessing business.  He is one of the early champions of a risk-based approach in assessing the impact of extractables and leachables, as well as sustainability initiatives for the disposal of disposables.  He received his  B.S.  in Chemical engineering and an MBA from India, and an M.S. in Finance from Bentley University in Waltham, MA.

Tony MacDonald joined Repligen in June 2017,  through the acquisition of Spectrum, Inc. where he served as President beginning in 2004. Previously, he worked at Pall Corporation as the Vice President of Sales and Marketing for the Life Science TFF products division until 2000. After Pall, Mr. MacDonald was the Vice President of Sales and Marketing for SolmeteX, where he refocused the company from an R&D company into a commercial success. He brings many years of experience in the sale and marketing of filtration and separations products.

Gustav Silfversparre was named Vice President of Operations at Repligen in March 2013 and is managing Repligen’s manufacturing site in Lund, Sweden. Before coming to Repligen, Mr. Silfversparre was Operations Director at Novozymes Biopharma AB, which was acquired by Repligen in December 2011. Between 2008-2010, Mr. Silfversparre was Head of Biopharma Coordination, a global project and production coordination function for the biopharma area within Novozymes.From 2002 to 2008, Mr. Silfversparre was Head of the Development Department at Novozymes Biopharma AB. Mr. Silfversparre received a Tech. Lic. Biotechnology at Royal Institute of Technology and M.Sc. Chemical Engineering at the Faculty of Engineering, Lund University. 

A graduate from the University of Leeds, England, Stephen Tingley has been a recognized contributor to the bioprocessing industry for over 25 years. Having worked initially for GSK, Mr. Tingley then joined Millipore creating and sharing expertise in sterile and downstream processing. At Millipore, Mr. Tingley became a recognized early champion of the development and adoption of single use technologies. He has had experience commercializing several leading technologies, including massively parallel microbioreactors system for upstream process development, multi-column chromatography and, most recently, leading the disposable chromatography team at Repligen that developed the OPUS^® pre-packed column line.