About Us

IntegriChain’s Management Team

IntegriChain’s committed executives have strong collective management experience in life sciences and consumer products. We are considered technology and analytics innovators and trusted advisors to our clients.

  • Executive Management Team
  • IntegriChain Leaders

Brad Burget

Brad Burget

Senior Vice President, Operations

Gary Palgon

Gary Palgon

Senior Vice President, Sales

Darren Weiss

Darren Weiss

Vice President & Chief Financial Officer

Josh Halpern

Josh Halpern

Co-Founder & Executive Vice President, Product & Strategy

Kevin E. Leininger

Kevin E. Leininger

Co-Founder & Chief Executive Officer

Sarah Starr

Sarah Starr

Vice President, Customer Services

Gary Frustaci

Gary Frustaci

Vice President, Payer Operations

Krishnan (‘Kita’) Padmanabhan

Krishnan (‘Kita’) Padmanabhan

Vice President, Sales

Sunay Shah

Sunay Shah

Vice President, Product Management

Jeff Uccello

Jeff Uccello

Vice President, Sales

Shekhar Yerramilli

Shekhar Yerramilli

Vice President, Head of Payer Segment

Jeff Baab

Jeff Baab

Executive Director, Professional Services

Melissa O’Neal

Melissa O’Neal

Segment Leader, Distribution

Jen Sharpe

Jen Sharpe

Segment Leader, Gross-to-Net

John Still

John Still

Executive Director, Services

William Van Derveer

William Van Derveer

Executive Director, Data Operations

Dave Weiss

Dave Weiss

Executive Director, Industry Solutions


Brad Burget

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Brad Burget

Senior Vice President, Operations

Brad Burget is responsible for IntegriChain’s customer operations, data factory operations , data pipeline operations, project management operations, and professional services. He offers more than 20 years of experience in the life sciences and technology industries, leading large delivery teams as companies scaled to the next level. Brad specializes in creating customer-focused tactical delivery of business strategies in business intelligence, analytics, supply chain management, and life sciences. Previously, he served Vice President of Professional Services for Basys, a leading software-as-a-service provider for the life sciences market. Additionally, he was responsible for innovation programs including building out industry-leading business intelligence and guided analytics cloud offerings at Element Financial/PHH. Brad also served as VP and GM of the worldwide professional services organization for Liquent, the leading software platform for new drug application publishing, as well as in leadership roles in the supply chain consulting service provider, BAAN. He earned a BS degree in Physics from Iowa State University.

Gary Palgon

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Gary Palgon

Senior Vice President, Sales

Gary Palgon is responsible for leading IntegriChain’s sales organization. He is a subject matter expert on cloud-based solutions, security/compliance, and big data across healthcare and life sciences and other industry verticals. Prior to joining IntegriChain, Gary was Vice President of Sales and Marketing at Liaison Technology. At Liaison, he was responsible for rapid sales growth in providing enterprise integration and management of patient and supply chain data as a cloud-based service and drove the company’s M&A and integration initiatives. Previously he served in multiple executive roles at nuBridges, Geac, and several start-up organizations and was responsible for new product and technology introductions in the respective marketplaces. Gary earned a BS in Computer and Information Sciences at the University of Florida.

Darren Weiss

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Darren Weiss

Vice President & Chief Financial Officer

Darren Weiss is responsible for the company’s finances, administration and strategic planning. Over the past 18 years Darren has held various finance and accounting roles, most recently as CFO of a UK plc, and has experience in Initial Public Offerings, Secondary Offerings, Rights Offerings and issuance of various debt instruments. Darren began his career in public accounting with experience in KPMG’s Healthcare and Life Sciences practice based in Philadelphia. Darren holds BS in Accounting from Syracuse University and earned his CPA in Pennsylvania.

Josh Halpern

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Josh Halpern

Co-Founder & Executive Vice President, Product & Strategy

Josh Halpern is responsible for IntegriChain’s strategic product direction, product management, marketing, and business development. Previously, Josh was Vice President of Business Development for Internet Crimes Group, a data mining and analytics firm specializing in intellectual property and brand protection. At Internet Crimes Group, Josh successfully introduced new applications of the company’s platform in the pharmaceutical industry and in consumer markets. Josh is a leading expert in trade commerce and data and is a regular speaker at industry and government conferences and seminars. Josh is a graduate of Princeton University with a degree in History.

Kevin E. Leininger

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Kevin E. Leininger

Co-Founder & Chief Executive Officer

As Chief Executive Officer, Kevin is responsible for corporate management and leadership, strategic planning, organizing and coordination of the executive management team. Prior to IntegriChain, he spent 20 years building and launching software and services companies in the financial services, petroleum and pharmaceutical industries, some leading to IPOs. He has authored six books on Unix, the Internet and Java and has spoken at conferences and seminars around the world. Kevin is a member of the CEO Council for Growth of the Chamber of Commerce for Greater Philadelphia, focusing on the Cell and Gene Therapy Connected Health Initiative. He also serves as an Advisory Board Member of Ben Franklin Technology Partners of Southeastern Pennsylvania and as a Mentor with Dreamit Ventures. He is also a member of the Iowa State University Physics Advisory Council. Kevin earned a BS in Physics from Iowa State University and an MBA in International Business and Finance from the University of Chicago – Booth School of Business.

Sarah Starr

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Sarah Starr

Vice President, Customer Services

Sarah Starr is responsible for IntegriChain’s Professional Services and Customer Operations organizations. Sarah is a seasoned technology executive with more than 20 years of experience in customer success and client services, including more than 10 years in key leadership positions. Most recently, she was Director of Client Services, Professional Services for iPipeline (a Thoma Bravo company), where she was responsible for senior customer relationships and software delivery for Fortune 500 clients and smaller enterprises. Prior to joining iPipeline, Sarah served as Head of Operations for Pepperjam (formerly eBay), where she led seven M&A and exit transactions in a single year. Previously, she was a member of the eBay leadership team, serving in a number of executive positions including Global Separation Lead for eCommerce Divestiture – Marketing and Vice President of Client Delivery Operations. She also served as Vice President of Client Services for TrueAction, a GSI Commerce Company, prior to its acquisition by eBay. Sarah earned a BA from Ursinus College.

Gary Frustaci

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Gary Frustaci

Vice President, Payer Operations

Gary Frustaci leads the Operations team for IntegriChain's Payer segment. Gary was previous the Chief Delivery Officer for daVIZta, Inc., which merged with IntegriChain in March 2019, having an oversight of its product implementations, client support, and consulting services. He brings over 18 years of consulting experience specializing in the pharmaceutical sector and has successfully implemented and supported many contracting-related software systems. Gary has extensive knowledge in government pricing, customer master, contracts, data warehousing, and sales and marketing processes. He earned an MBA in Finance and Information Systems from NYU Stern School of Business and BS degrees in Industrial Engineering and Management Information Systems from Rensselaer Polytechnic Institute.

Krishnan (‘Kita’) Padmanabhan

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Krishnan (‘Kita’) Padmanabhan

Vice President, Sales

Kita Padmanabhan is responsible for leading the Sales function for IntegriChain's Payer segment of the business. He is a subject matter expert on contracting, gross to net, and commercial strategy for life sciences. He is also knowledgeable in the government pricing and 340B areas. Kita was previously the Co-Founder, President & COO of daVIZta, Inc., which merged with IntegriChain in March 2019. Prior to founding daVIZta, Kita was an executive in the financial services industry, specifically related to brokerage and banking. Kita earned a Masters from the Birla Institute of Technology and Sciences in India and an MBA in Finance from the NYU Stern School of Business.

Sunay Shah

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Sunay Shah

Vice President, Product Management

Sunay Shah offers a strong combination of healthcare technology experience combined with more than 18 years of pharmaceutical industry experience as he leads IntegriChain’s Product Management team to drive patient access through development and management of commercial data, analytics, and application products. Prior to joining IntegriChain, he was Senior Director, Analytics Product Development and Management at Medivo, a company that leverages clinical diagnostic data for advanced analytic solutions for the payer, diagnostics, and life sciences markets. Previously he was VP, Product Management, for MDLand, an electronic health record company, leading efforts to develop an electronic Hepatitis C care and management tool for New York City Department of Health and Mental Hygiene. During an 11-year tenure at Merck, Sunay served in project management, engineering, and sales roles. He earned an MBA from Rutgers, The State University of New Jersey, a BS in Chemistry from New York University, and a BE in Chemical Engineering from Stevens Institute of Technology.

Jeff Uccello

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Jeff Uccello

Vice President, Sales

Jeff Uccello is Vice President, Sales, responsible for serving the data and analytics needs of enterprise-class and SMB life sciences manufacturers. Jeff has 20 years of experience, including more than 10 serving the data and analytics needs of IntegriChain’s customers. Previously, served in sales roles for MediMedia Health, Advance Health Media, and Clinicians Publishing Group. Jeff earned a BS in Marketing from The University of Connecticut.

Shekhar Yerramilli

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Shekhar Yerramilli

Vice President, Head of Payer Segment

Shekhar Yerramilli is responsible for leading the strategy and product vision for the Payer Segment in IntegriChain as well as for ensuring successful execution of the strategy to achieve organizational goals. Shekhar is a seasoned business leader and a Life Sciences Revenue Cycle Management expert with more than 20 years of industry experience. Most recently, Shekhar was the co-founder and CEO of daVIZta, a Life Sciences Revenue Analytics firm, which he led from its bootstrapped start-up days to a successful merger with IntegriChain in March 2019. Shekhar holds an MBA degree from Indian Institute of Management, Ahmedabad, and an Engineering degree from Indian Institute of Technology, Roorkee.

Jeff Baab

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Jeff Baab

Executive Director, Professional Services

Jeff Baab is Executive Director of IntegriChain’s Professional Services organization. Previously, Jeff was Vice President of Life Sciences at daVIZta, which merged with IntegriChain in March 2019, where he drives thought leadership activities for the firm. He is a senior member of IntegriChain’s client delivery organization and a valued advisor to our Product team. Jeff has more than 14 years of experience in the Managed Markets space and he draws on his extensive compliance and commercial contracting background to bring a unique perspective to the clients he assists. Jeff earned a Bachelor’s of Science in Finance & Economics from Penn State University.

Melissa O’Neal

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Melissa O’Neal

Segment Leader, Distribution

With 20 years of deep trade and pharmaceutical manufacturer experience, Melissa O’Neal delivers valuable insight from the Life Sciences supplier point of view to our Product and cross-functional teams. Melissa is responsible for the commercial and product strategy for IntegriChain's Distribution business segment, tapping into her industry experience to create solutions that address today's access and trade challenges. Melissa has previously served in a number of areas at IntegriChain to service customers, from Customer Operations and Industry Solutions to Sales. Prior to joining IntegriChain, Melissa spent a year as Managing Partner of 12th Union Group, a boutique consulting firm focused on life science organizations. Prior to her consulting experience, she spent more than four years in leadership of Operations, Trade Services, and Analytics at Galderma, a global leader in medical solutions for skin health. Previously, she served 12 years at UPS in various Marketing and Data Services leadership roles. She earned a BA from Ohio Wesleyan University.

Jen Sharpe

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Jen Sharpe

Segment Leader, Gross-to-Net

Jen Sharpe leads the Revenue Analytics Collaborative at IntegriChain. Jen was previously Vice President of Revenue Analytics for daVIZta, before their merger with IntegriChain in 2019. Jen works to unite the industry’s collective intelligence by facilitating the Revenue Analytics Collaborative, which has over 700 industry colleagues from more than 225 manufacturers. Jen has been in the Gross-to-Net pharmaceutical space since 2003, spending a decade at a large pharma, implementing one of the first home-grown Gross-to-Net forecasting and accrual development applications. Jen is a trusted business partner to her clients in all areas of commercial and government data, forecasting, accrual management, analytics and reporting, as well as a frequent industry speaker. Jen earned a Bachelor's Degree in Accounting and a Master's in Business Administration from Rider University.

John Still

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John Still

Executive Director, Services

John Still serves as IntegriChain's Executive Director of Services. He previously founded PharmaMetrics, Inc., and served as its President and CEO until being acquired by IntegriChain. With more than 24 years of experience in business analysis and pricing methodology within the Managed Care and Managed Markets of the pharmaceutical industry, John has a deep understanding of both the financial and operational ends of the business. Prior to launching PharmaMetrics, John spent more than 12 years at Rhone-Poulenc Rorer (currently Sanofi) and was responsible for all aspects of managed care and managed markets contract analysis across business channels. John has had articles published in Pharmaceutical Commerce and Pharmaceutical Executive magazines. He holds an MBA in Finance from Drexel University and a BA in Economics from Westminster College.

William Van Derveer

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William Van Derveer

Executive Director, Data Operations

As Executive Director, Data Operations, William is responsible for IntegriChain's Data Science, Master Data, Base Data Loading and QA Support (Distribution & Market Access), Enriched Data/Inventory Analytic's offerings, Specialty Operations departments. The factory comprises nearly 30 of IntegriChain's best and brightest data minds. Prior to joining IntegriChain, William served as Director, Data Governance & QC at Veeva Systems where he was responsible for the Open Data provider and account data quality owning their best-of-breed algorithms for provider name, address, and specialty details. He earned his MBA from Fox School of Business at Temple University with concentrations in Strategic Management and Operations and BS degree from Xavier University - Williams College of Business in Management and Entrepreneurship. He also is a Six Sigma Black Belt and a certified Project Management Professional.

Dave Weiss

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Dave Weiss

Executive Director, Industry Solutions

David Weiss, a software industry veteran, is Executive Director of Industry Solutions and is charged with leading IntegriChain’s effort to provides pre-sales business consulting to life sciences manufacturers in the areas of needs assessment, analytics design, and value engineering. David has more than 25 years of broad experience in pharmaceutical/medtech channel, trade, contract, and government price compliance both as a consultant and solution provider. Prior to IntegriChain, David led the solutions and product marketing organizations at Model N, SAP, and IDS as well as spent five years as a management consultant for PWC, KPMG, and Knowledgent. He holds a dual MBA in Corporate Finance and Information Systems Management.

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IntegriChain User Conference

October 21-23, 2019 | Buckhead/Atlanta

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