Jan Adriaan (Arjan) Haverhals

President

Mr. Haverhals has been Milestone Scientific's President since September 2020 and as the President and Chief Executive Officer of Milestone Scientific’s Dental Division (Wand Dental Inc.) since June 2020. He brings more than 30 years of sales, marketing, product development, and international expansion experience within the medical device, pharmaceutical, and other industries. Prior to joining Wand Dental and Milestone Scientific, Mr. Haverhals was senior vice president of sales at Xcentric Mold & Engineering from 2019 until 2020 where he was instrumental in increasing sales productivity and efficiency for the company's prototype injection molding services, which included leading healthcare company clients. From 2012 until 2018, Mr. Haverhals worked at Straumann, LLC, a global leader in manufacturing medical and dental devices, where he held a series of senior sales and marketing roles including vice president of customer marketing & education, where he oversaw all product franchises and led the launch of more than 30 products in the North American market. He also served as senior vice president for the Nordic Region at Straumann AB, senior vice president of global sales digital solutions, which included oversight of the strategic acquisition of Etkon; and served as vice president of the Prosthetics Business Unit, where he introduced a new implant and prosthetics product line within a new market segment.

He also served as senior vice president for the Nordic Region at Straumann AB, senior vice president of global sales digital solutions, which included oversight of the strategic acquisition of Etkon; and served as vice president of the Prosthetics Business Unit, where he introduced a new implant and prosthetics product line within a new market segment. He also served as vice president of global marketing & sales at Elkem AS, one of Norway's largest industrial companies. Previously, Mr. Haverhals served as executive vice president of marketing & sales at Cresco Ti Systems Sàrl, a global dental implant company, where he was responsible for turning around and managing global sales, marketing, international business. Mr. Haverhals holds an MS in Pharmacy from the University of Leyden in the Netherlands.

Dr. Eugene Casagrande

Director of International & Professional Relations

Since 1998, Eugene Casagrande, D.D.S. has served as Director of International and Professional Relations, charged with pursuing a broad range of clinical and industry-related strategic business opportunities for Milestone Scientific. Dr. Eugene R. Casagrande has practiced Cosmetic and Restorative Dentistry for over 30 years in Los Angeles. He is past president of the California State Board of Dentistry and the Los Angeles Dental Society and is a Fellow of the American and International Colleges of Dentists. Dr. Casagrande was a member of the faculty of the University of Southern California, School of Dentistry. He was also the Executive Director of the Los Angeles Oral Health Foundation and the Program Director of the Los Angeles Pediatric Oral Health Access Program. As the Director of International & Professional Relations for Milestone Scientific for over 20 years, he has published multiple articles and has lectured both nationally and internationally at over 100 dental schools and in over 50 countries on Computer-Controlled Local Anesthesia.

Mark Hochman, D.D.S.

Director of Clinical Affairs

Mark Hochman, D.D.S. has served as Milestone Scientific’s Director of Clinical Affairs and Director of Research and Development since 1999. He has a Doctor of Dental Surgery with advanced training in the specialties of Periodontics and Orthodontics from New York University of Dentistry and has been practicing dentistry since 1984. He is a former clinical associate professor at NYU School of Dental Surgery. Recognized as a world authority on Advanced Drug Delivery Instruments, Dr. Hochman has published numerous articles in this area, and shares in the responsibility for inventing much of the technology currently available from Milestone Scientific.

Leonard Osser

Interim Chief Executive Officer and Director

Leonard Osser has been Interim Chief Executive Officer since December 2017. From July 2017 to December 2017, he had been Managing Director –China Operations. Prior to that, he served as Milestone Scientific’s Chairman from 1991 until September 2009, and during that time, from 1991 until 2007, was also Chief Executive Officer of Milestone Scientific. In September 2009, he resigned as Chairman of Milestone Scientific, but remained director, and assumed the position of Chief Executive Officer. From 1980 until the consummation of Milestone Scientific’s public offering in November 1995, Mr. Osser was primarily engaged as the principal owner and Chief Executive Officer of U.S. Asian Consulting Group, Inc., a New Jersey-based provider of consulting services specializing in distressed or turnaround situations in both the public and private markets. Mr. Osser’s knowledge of our business and background with us since 1980 provides the Board with valuable leadership skills and insight into our business and accordingly, the expertise needed to serve as one of our directors.