Hallstar
Harold Bryant, Ph.D. is a seasoned professional in the field of research and development, currently serving as Vice President of Global Research and Development at Hallstar since October 2021. Previously, Bryant held the position of Vice President of Discovery and Research at Living Proof, Inc. from July 2020 to October 2021. Bryant's extensive experience at L'Oréal from May 2004 to January 2020 included roles such as Vice President of Research and Innovation and Associate Vice President of R&D, where accomplishments included directing the L′Oréal Institute for Ethnic Hair and Skin Research and leading various teams to advance product development. An expert in analytical chemistry, Bryant holds a Ph.D. from the University of Pittsburgh, a Master's degree from Indiana University of Pennsylvania, and a Bachelor's degree from Lincoln University.
Hallstar
At Hallstar, our company vision describes who and what we are: a company that uses technical expertise and knowledge to improve our customers’ products and profitability. We are results-driven and passionate about our customers and our people, ethical in our business practices and experts in our markets. These values have been key to our decades of success in helping beauty and personal care and industrial companies solve complex problems and offer breakthrough products. Ester chemistry is indispensable to these markets, and we’re proud of our expertise and creativity in this area. Our more than 100 patents attest to our innovative culture. Our loyal customers which include some of the biggest companies and brands in the world value our collaborative work style, unparalleled technical support, quality and speed of development and delivery. Based in Chicago, Illinois, we are growing globally while retaining the agility, responsiveness and personal touch usually associated with smaller firms. We really get to know our customers and work closely with them. It’s a “chemistry” that we cultivate within our company and in collaboration with our customers.