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John P Rigg
CEO
John is our Chief Executive Officer. Prior to joining
Originally from Liverpool, England, John attended Liverpool University where he graduated with a BSc (Hons) in Applied Chemistry.
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Brad Wynja
Sr. Director of Finance & Business Operations
As Senior Director of Finance and Business Operations, Brad is responsible for leading the finance, business development, supply chain, project management, and IT organizations. He has 20 years of experience supporting the pharmaceutical industry, working with both CRO and CDMO organizations.
Brad holds an MBA from Drake University, and he completed his undergraduate work in Accounting and Finance at the Central University of Iowa. He is also a member of the American Institute of CPA’s.
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Nathan Parker
Sr. Director of Quality Operations
Nathan is well-equipped for his role as Sr. Director of Quality. He has been in quality leadership for the last 12 years and has been supporting contract manufacturing operations for the last 10 years. Overall, he has 24 years of experience in the pharmaceutical industry including roles of increasing responsibility in technical support, operations, and quality assurance.
Nathan has supported chemical API, biological drug substance, drug product, medical device, combination product, and cell therapy product manufacturing for use in pre-clinical through commercial applications. He attended Rose-Hulman in Terre Haute, Indiana, and has a degree in Chemical Engineering.
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Craig Clark
Director of Manufacturing
As Director of Manufacturing, Craig is responsible for facility operations. After an internship at the company during college, he began working full time at the site in 2000 as a validation specialist. He has served in various roles of increasing responsibility at the facility including validation, process engineering, project management, and technical services.
Craig attended the Rose-Hulman Institute of Technology in Terre Haute, Indiana, and has a BSc in Chemical Engineering.
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Kim Rice
Director of Supply Chain & Project Management
Kim is our Director of Supply Chain and Project Management. Before she joined Exelead in January 2018, Kim spent 28 years at Eli Lilly and Company where she held several technical and project/program management roles in both Parenteral Manufacturing and Global Supply Chain. Kim has extensive experience with parenteral products, project management and supply chain.
Originally from Terre Haute, Indiana, Kim attended Indiana State University where she graduated with a BSc in Chemistry and later earned a Master’s degree in Project Management.
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Karla Aberle
Director of Quality Control
Karla is the Director of Quality Control at Exelead, and is responsible for managing three groups: both the Chemistry and Microbiology groups from the Quality Control laboratory and the Analytical Technical group in charge of method development and validation.
Karla joined the company in 2007 as an analyst in the Microbiology laboratory. She was made
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Mandy Redmond
Director of Quality Assurance
Mandy, who joined the company in 2011, is our Director of Quality Assurance. Prior to her time with us, she served as Senior Manager of Quality Assurance for Roche Diagnostics. Mandy has over 20 years of experience in the biopharma/medical device industry, spanning technical publications, research and development, regulatory affairs, customer complaint management and quality management.
Mandy holds a bachelor’s degree in Journalism & Technical Writing from Indiana University and a Masters of Business Administration from the University of Phoenix. She also holds Quality Auditor and Manager of Quality / Organizational Excellence certifications from the American Society for Quality. Mandy currently serves on the Industry Advisory Board for Indiana University/Purdue University Indianapolis.
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Larry Beiter
Director of Process Engineering & Development
Larry is the Director of Process
Prior to Sigma Tau’s purchase of the Indianapolis manufacturing facility in 2010, Larry was employed at the site for 15 years as part of the Liposome Company, Elan
Larry attended Rutgers University in New Jersey, where he graduated with a BSc in Chemical Engineering with a focus on Biochemical engineering.
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Drew Andis
Business Development Leader
Drew is the Business Development Leader at Exelead which involves oversight of both Business Development and Marketing functions. Drew joined the organization as a Project Manager in 2020 and was moved into his current role within the same year. He has five years of experience in both technical and project management roles within the parenteral pharmaceuticals industry.
Drew holds a MS in Biotechnology from Northwestern University and a BSc in each Biological Engineering and Pharmaceutical Sciences from Purdue University. Additionally, Drew has been certified as a Project Management Professional.
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Valarie Gossage
Director of Human Resources
Valarie, our Director of Human Resources, is an accomplished HR professional with over 23 years of experience in the manufacturing industry. Valarie is responsible for helping Exelead plan, staff, train, and retain a high-performing and motivated workforce. She oversees compensation, benefits, employee relations and leadership development.
Prior to joining
Valarie holds a Masters in Science Management from Indiana Wesleyan, holds her Professional Human Resource (PHR) certification through the Human Resource Certification Institute, and is a Certified Professional (SHRM-CP) through the Society
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