Protein Technologies Announces Appointment Of Scientific Products Industry Veteran Nate Cosper, Ph.D. As President & Chief Executive Officer

TUCSON, Ariz.--(BUSINESS WIRE)--Protein Technologies, a leader in the field of peptide synthesis instrumentation, today announced the appointment of Nate Cosper, Ph.D., as President and CEO, and member of the Board of Directors of Protein Technologies, Inc. effective immediately. Dr. Cosper will replace Mahendra Menakuru, who will be stepping down as President and CEO, but who will remain as a consultant during a transition period. Dr. Cosper brings a long track record of executive experience, successfully driving growth and delivering financial results in dynamic and innovative public and private scientific product organizations.

"On behalf of the entire PTI organization, I want to thank Mahendra for his significant contributions to the company over the past nine years," stated Bob Stockman, Chairman of the Board of Directors of Protein Technologies, Inc. "Mahendra was instrumental in developing and commercializing what today is recognized worldwide as the finest quality line of peptide synthesizers. We appreciate Mahendra's leadership in building PTI through many key milestones and his continued support during the CEO transition period."

Dr. Cosper was previously at Caliper Life Sciences and PerkinElmer, where he held leadership positions in product development, strategy, business development and commercial operations. He most recently was the Vice President and General Manager for the Microfluidics and Automation business unit, as well as the head of Business Development and Strategic Marketing for the Life Sciences division of PerkinElmer. He received advanced degrees in chemistry and business from the University of Georgia.

"Dr. Cosper has a proven track record of leading the development and commercialization of innovative technologies for protein research and cultivating strong relationships with customers and partners in the life sciences industry," stated Stockman. "We are excited that Nate has joined Protein Technologies as our new President and CEO, and believe Nate's integrity, experience and energy will each contribute to Nate's excellent leadership for the company."

"Protein Technologies has a tremendous reputation for providing robust and reliable instruments and reagents to the peptide and protein research markets," said Dr. Cosper. "I am thrilled to have the opportunity to join the team at Protein Technologies to expand the strong portfolio of peptide synthesis products and deliver exceptional products and services to the protein sciences community."

About Protein Technologies, Inc.

Protein Technologies, Inc. is a leading supplier of quality peptide synthesizers and reagents to universities, biotechnology companies and pharmaceutical companies. We have built our company on the belief that our products must be the highest possible quality, and we support our products with a dedicated field service team. We are proud of our reputation for reliability and value the trust our customers and partners have placed in PTI. Today we continue to grow and innovate to serve the needs of the peptide synthesis community. To learn more about Protein Technologies, please visit


Protein Technologies, Inc.
Nate Cosper, Ph.D., 520-629-9626
President & CEO
[email protected]