West Caldwell, NJ — September 9, 2026 — Keystone Capital Management, L.P. (“Keystone”) and Penta Fine Ingredients, Inc. (“Penta” or the “Company”) are pleased to announce that Don Thorp has joined Penta’s Board of Directors. In his new role, he will work closely with Penta’s leadership team on operational and strategic initiatives and support the Company’s evaluation of acquisition opportunities.
Don brings more than four decades of leadership experience in the global ingredients market. Most recently, he served as President and Chief Executive Officer of Prinova, a global supplier of functional ingredients, flavors, and nutrient premixes to the food, beverage, and nutrition industries, until his retirement in March 2025. Having led Prinova since 1995, Don continued to guide the company following its acquisition by the NAGASE Group in 2019. Over his 30+ years at Prinova Don transformed the company from a domestic ingredient distributor into one of the largest ingredient suppliers in the world, growing annual sales to more than $1.45 billion with operations across North America, Europe, and Asia.
“Penta has built a remarkable platform with a talented team and a deep customer base. I’m excited to work alongside the Penta and Keystone teams to help scale the business,” said Don Thorp.
“We are both honored and privileged and to welcome Don to our Board of Directors,” said Greg Robertson, Chief Executive Officer of Penta Fine Ingredients. “Don brings a proven track record of success in our industry and extensive operational experience leading a global ingredients business”
“Don’s track record in the ingredients industry will be invaluable as we scale the business and pursue long-term value creation,” said Matt DeLong, Managing Director at Keystone Capital.
###
About Keystone Capital
Keystone was founded in 1994 with the objective of investing the personal capital of its partners in high-quality businesses; patiently building long-term value alongside management through organic growth and strategic acquisitions. Keystone currently manages over $1 billion in capital across two funds. To maintain consistency with its historical investment strategy and align interest across all stakeholders, the principals of Keystone collectively represent the largest single investor in both of these funds, which has been structured with an extended life to support Keystone’s belief in investment period flexibility. Over the course of its history, Keystone has completed over 50 platform investments and more than 200 total acquisitions with a focus on commercial & industrial services, food & beverage, industrial technology, professional services, and technical services. For more information, please visit www.keystonecapital.com or follow Keystone on LinkedIn.
About Penta Fine Ingredients, Inc.
For over 40 years Penta has created strategic partnerships within the fine ingredient community that are vital in helping customers achieve their goals in today's ever-changing business environment. In addition to a large ingredient portfolio, Penta maintains an extensive inventory of natural, FEMA GRAS, and cutting-edge materials critical to the flavor and fragrance markets. Companies worldwide have partnered with Penta to achieve their ongoing and future commercial business goals.
Connect with Penta on LinkedIn.