Chief Executive Officer

Mr. Rynerson holds an M.B.A. from Babson College focused on Entrepreneurship, a Master’s Degree in Mechanical Engineering from the Massachusetts Institute of Technology focused on Three Dimensional Printing, and a Bachelor’s Degree in Mechanical Engineering from Tulane University. Mr. Rynerson was a Fulbright Scholar to the Technical University of Berlin.

Mr. Rynerson has extensive knowledge and experience in advanced technologies including 3D Printing, 3D Scanning, and specialized CAD software used in industrial and dental applications.

He spent the first part of his career in executive roles as an early pioneer in additive manufacturing technology for the automotive, industrial, and defense industries. He was cofounder and head of the ProMetal division of Extrude Hone Corporation (Irwin, USA) that later became the ExOne Corporation and is traded on the NASDAQ exchange.

He then served for ten years with the Straumann Group (Basel, Switzerland), particularly in senior executive commercial roles as CEO of Dental Wings, interim CEO of ClearCorrect, and Executive Vice President, Head of the Digital Business Unit at Straumann.

More recently, Mr. Rynerson was CEO of Xcentric Mold & Engineering (Michigan, USA), a highly specialized rapid manufacturer providing CNC Machining, Injection Molding, and 3D Printing for a wide range of industries including medical equipment, consumer products, industrial equipment, and automotive.




Yann GALLARD is an Industrial Maintenance Engineer and ACTEON’s Managing Director and Chief Technical Officer.

M. GALLARD began his career in 1999 as Head of Maintenance for Le Bélier SA company and was later promoted to Head of Technical Operations in Hungary. M. GALLARD joined ACTEON Group in 2003 as Head of Mechanic production.

In 2009, M GALLARD was promoted to Production Director for SATELEC where he was responsible for management for its Supply Chain, Production and Product development.

Since 2011, M. GALLARD is ACTEON’s Industrial Director for SATELEC and responsible for Industrial services, Logistics, and Sales Administration.

Philippe GIRARD

Philippe GIRARD

Quality and Regulatory Affairs Director

Philippe GIRARD holds a Masters degree in Micro-Electronics and Electronics components for Industrial Procurement.  He is ACTEON Group’s Quality and Regulatory Affairs Director.

M. GIRARD joined ACTEON in 1988 as SATELEC’s Quality Manager. M. GIRARD’s first European directive was to aquire CE markings for its devices.  Once CE markings were attained, M GIRARD began the development and construction of national and international regulations for all its medical devices and subsequent brand acquisitions.

M. GIRARD is the liaison for ACTEON Group’s various fabrication sites.  He manages Quality, Equipment and Device Certification, and Regulatory Affairs.

Violaine TUREAU



Violaine TUREAU, born on the 26/05/82, graduated ESC, obtained a Master of Science in International Trade at the University of Sherbrooke (Canada).

She joined the ACTEON group in 2005 for the launch of the Piezotome surgical range. In 2014, she became Product Manager of the Equipment Division, a real link between R & D and international sales teams. She acquired a corporate vision of the group in 2016 with the management of international conferences and opinion leaders.

In 2017, she is appointed General Manager France.

Laurent ZENOU



Laurent ZENOU, 52 years old, began his career as a video signal processing engineer, and recently obtained a master in Sales and Marketing from the IAE in Lyon.

He first entered ACTEON Group in 1989 as SOPRO’s Head of After Sales Department, before taking up his position to Commercial Manager in 1992 and therefore develop the sales on both French and international markets.

In 2002, he took the opportunity to expand his career by joining the Marketing Department, firstly as Product Manager, then as Product Range Manager, and lastly as Marketing Product Director.

Since 2014 he has held the position of Product Director of the Imaging range, and has brought his high expertise in dental imaging products and international markets to define the strategies of products development and activities within this division.