Meet the ARS Leadership


Michael Holmes, Ph.D.


Dr. Holmes received his Master's Degree in Physics from Lehigh University, where his research focus was developing lasers and components for optical communications.

He completed his Ph.D. at The University of Rochester in experimental atomic, molecular, and optical (AMO) physics.

His professional experience spans nine years in the scientific diode and ultra-fast fiber laser industry, and working with cryogenic optical microscopy instruments since 2014.

He began his career at ARS in 2016 and is responsible for world-wide sales & marketing.

Lou S Edit 300x300.jpg

Lou Santodonato, Ph.D.


Dr. Santodonato began his career with hands-on responsibilities for cryogenic equipment and user support at NIST.

By the early 2000’s he had advanced to a Group Leader position at Oak Ridge National Laboratory (ORNL), where he established a diverse “Sample Environment” team for the Spallation Neutron Source.

While at ORNL, Lou earned a Ph.D. in Materials Science and Engineering at the University of Tennessee, and researched high-entropy alloys.

He began his career at ARS in June of 2018 and is responsible for Engineering and R&D.


Meet the ARS Team


Joseph Bychowski

Cryogenic Specialist

Joe has ten years’ experience helping researchers in over fifty different countries to configure hundreds of custom systems. He has a Master’s Degree in Physics from the University of Notre Dame focused on Solid State Physics and Superconductivity. Joe draws on his seven years of graduate and undergraduate research experience to provide researchers with solutions ready for the practical use in the lab.


Han-Chun (Hank) Liu, Ph.D.

Sales Manager

Dr. Liu earned a Master’s Degree in Physics from National Central University, Taiwan, and a Ph.D. in Physics from Georgia State University. He was an experimental physicist specializing in cryogenic low-dimensional material research for ten years and is experienced at cryogenic system measurement regarding electronics, optics, and magnetism. He is fluent in English and Mandarin.


Carl Blew

Technical Marketing Manager

Carl is a graduate of Lehigh University with two Bachelor’s degrees and a certificate in international business. With a longtime interest in durable goods he handles inbound and outbound marketing, and works to equip the team with key product information.