Meet Our Team

Meet the team that drives our success and continued growth. We are just one call or email away.

Dieter W. Luelsdorf

PresidentPhone: (201) 930-4934 Ext. 12Direct: (201)

Dieter Luelsdorf has had more than 40 years of experience in the pharmaceutical industry. Prior to joining Zetapharm in 1989 he was General Manager for the US Fine Chemicals Div. of E. Merck of Darmstadt, Germany. During his tenure at Zetapharm, he guided the growth of their bulk active and inactive ingredient business in nutritional, OTC and generic pharmaceutical markets. He acquired ZETA Pharmaceuticals from the Zuellig Group N.A. in 2006. He a holds a B.S. in Chemistry from the University of Michigan.

Paul Harper

Managing DirectorPhone: (201) 930-4934 Ext. 14Direct: (201)

Paul Harper has completed 20 years in the pharmaceutical industry. Prior to joining ZETA in 2008, Paul was instrumental in growing one of the top ten U.S. generic pharmaceutical companies. He directed sourcing, supply chain management, purchasing, and supply side development for this multiple facility manufacturing and marketing organization. Paul holds a BS in Management from the University of North Carolina Charlotte.

Dante’ Snodgrass

VP Sales and MarketingPhone: (201) 930-4934 Ext. 11Direct: (201)

Dante’ Snodgrass has 20 years of experience in the pharmaceutical industry. He has worked for both branded and generic pharma companies. His experience in the industry ranges from R&D development (formulation and analytical) to site compliance. He has served as a manager of Quality Control and Quality Assurance. At his last company Dante established a Corporate Vendor Qualification program for a multiple site diversified healthcare company. This program included on-site Quality audits for API and excipient manufacturers. Dante graduated from the Florida State University with a degree in Chemical Science.

Hugh Johnson

VP of Business DevelopmentPhone: (201) 930-4934 Ext. 17Direct: (816)

Hugh Johnson has worked in the pharmaceutical industry for decades.  He has been selling APIs, excipients, and contract services for over 20 years.  Before joining ZETA, Hugh sold for Boehringer Ingelheim Fine Chemicals, Siegfried, and Biddle Sawyer.  Prior experience also includes Director of Materials for a finished dose company with responsibility for supply chain management, inventory planning and production scheduling.  Hugh received a B.S. in Business Management from Brigham Young University.

Laleh Dashti

VP of Scientific Affairs & RegulatoryPhone: (201) 930-4934 Ext.20Direct: (704)

Ms. Laleh Dashti graduated with a Master of Science degree in Chemistry from UNC with a thesis emphasis in computational and analytical chemistry at Cray Research Institute in Minneapolis, MN. Recognized by ACS, Laleh has over 18 of years experience in the pharmaceutical industry ranging from Method Development Chemist to Managing a Quality Control laboratory for both finished dosage and raw materials. Laleh also has years of experience as a regulatory affairs manager prior to joining ZETA Pharmaceuticals, specializing in ANDA development.

Steve Smith

Senior Sales ManagerPhone: 201-930-4934 Ext. 21Cell:

Steve Smith has almost 30 years of experience in Chemical Distribution. He has held various positions in Management and Sales servicing multiple industries including Pharmaceuticals, Food, Personal Care, Coatings, Compounding and Water Treatment. Steve received a B.S. degree in Accounting from Ball State University in Indiana.

Vince Tunzi

Senior Sales ManagerPhone: (815)

Vince has represented some of the finest domestic and overseas manufacturers of chemical ingredients for over 25 years.   He has worked in the pharmaceutical, animal health and nutritional markets.  Vince’s “say what you do, do what you say” approach with his customers has allowed him to work with some of the largest multinational, midsize, small and start-up companies throughout the United States.  Vince was born, raised, and still lives in the Chicagoland area.              

Kristy Rupe

Operations ManagerPhone: (201) 930-4934 Ext. 18Direct: (201)

Nastasha Orr

Supplier Relations ManagerPhone: (201) 930-4934 Ext. 16Direct: (201)

Amy McDonald

Accounting & FinancePhone: (201) 930-4934 Ext. 15Direct: (201)

Ashley Hutchins

Sales and Marketing CoordinatorPhone: (201) 930-4934 Ext. 19Direct: (256)


Zeta Pharmaceuticals