Team Purina

Introducing the Purina professionals behind the latest nutrition research.

Lisa Aga

Cattle Nutritionist

Diana Ayala, Ph.D.

Microbiologist Senior Scientist, Research & Development

Elizabeth Backes-Belew, Ph.D.

Nutritionist, Beef Technical Solutions

Mary Beth Gordon, Ph.D.

Senior Director, Equine Technical Innovation

Patrick Biggs, Ph.D.

Nutritionist, Companion Animal Technical Solutions

Katie Bradley, Ph.D.

Dairy Research Scientist

Andrea Brueggemann, MBA

Equine Research Unit Manager

Mike Burr

Director of Process Research

NT Cosby, Ph.D.

Field Cattle Consultant

Gustavo Cruz, Ph.D.

Senior Dairy Scientist, Dairy Technical Innovation

Veridiana Daley, Ph.D.

Senior Research Scientist, Dairy Feed R&D (Adult Cow)

Rob Damon

Calf Technical Sales and Business Manager

Karen E. Davison, Ph.D.

Director, Nutritionist, Equine Technical Solutions

Brenda de Rodas, Ph.D.

Director, Swine Technical Innovation

Kevin Dill, Ph.D.

Director of Dairy Technical Innovation

Anna Pesta Dunaway, Ph.D.

Equine Nutritionist, Equine Technical Solutions

Tom Earleywine, Ph.D.

Director of Nutritional Services

Chris Forcherio, Ph.D.

Beef Research Manager

Dan Grum, Ph.D.

Scientist, Health Research Unit

Christina Hayes, Ph.D.

Product Manager, Beef Technical Solutions

Melissa Holtz

Calf Technical Sales and Business Manager

Robert Jacobs, Ph.D.

Research Manager, Equine Innovation

Mark Johnson

Sheep Field Specialist

Chris Joslin

Department Manager, Dairy Research

Monty Lahoti, M.S.

Data Science and Digital Product Manager

Gerald Maupin

Manager Beef Department

Aileen Joy (AJ) Mercado, Ph.D.

Director of Research and Development Applications

Deb O'Connor

Research and Technical Services

Tim Patchin, MPS, PAS

Risk Management Specialist

Ted Perry

Beef Technical Solutions

Murali Raghavendra Rao, Ph.D., PSTAT®

Director, Statistical Services and Data Intelligence

Krystal Regan

Calf and Heifer Specialist – Eastern Iowa, Southeast Minnesota

Bipin Rimal, Ph.D.

Bioinformatics Data Scientist, Data Intelligence Team

Stuart Rymph, Ph.D., CCA, PAS

Dairy Nutritionist

Michael Schlegel, Ph.D., PAS, Dipl. ACAS-Nutrition

Sr. Nutritionist, Wildlife & Small Ruminant Technical Solutions

Olivia Schroeder, Ph.D.

Director of Dairy Research

Ron Scott, Ph.D.

Director, Beef Technical Innovation

Jason Sewell

Senior Scientist - Beef and Companion Animal Research and Development

Jill Soderstrom, Ph.D.

Dairy Technical Innovations

Jennifer Stamey, Ph.D.

Technical Support Consultant, Dairy Technical Innovations

Robin Steiner

Calf and Heifer Specialist – Illinois, Indiana and Ohio

Alex Tebbe, Ph.D.

Dairy Technical Specialist and Consultant

Kent Tjardes, Ph.D.

Field Cattle Consultant

Huyen Tran, Ph.D.

Research Scientist, Swine Research and Development

Ben Trible, Ph.D.

Senior Scientist, Purina Animal Research Center

Kelly Vineyard, M.S., Ph.D.

Senior Nutritionist, Equine Technical Solutions

Connie Walters, DVM

Calf and Heifer Specialist – Western Wisconsin

Masa Williams, Ph.D.

Equine Nutritionist, Equine Technical Solutions

Troy Wistuba, Ph.D.

Vice President Feed R & D

Chad Zehnder, Ph.D.

Field Cattle Consultant