Meet the Team here at MAC Partners

Michael Harris, President

Michael has been an active Board Member of MACPartners since 2006, and was elected President in 2014. He was born and educated in England and is a qualified mechanical engineer. Residing in the UK, Michael is married, with two grown up sons and six grandchildren.

Michael is a member of the UK based Institute of Refrigeration, and has long enjoyed a career in sales and sales management. For the past twenty six years he has been working as Sales Director, for a renowned manufacturer of mechanical tube joining fittings. During this time he led sales and managed new business, worldwide, in all sectors of the refrigeration and air conditioning industry.

His specific industry interest has always been Automotive Air Conditioning, since his time in the mid 1990’s whilst setting up his employer’s business in the USA.

Michael has recently taken early retirement from full time employment and will therefore be taking an even more active role in leading the MACPartners Association. He will also be establishing himself as an Independent Consultant and Sales. You can contact Michael on

Peter J. Coll, Vice President & Managing Director, Neutronics Refrigerant Analysis

Peter has worked with Neutronics Inc. for 20+ years, serving in several divisions with the past 15 years being refrigerant related. Currently, he is the Vice President & Managing Director of Neutronics Refrigerant Analysis, where his responsibilities include financial P&L, account management, education and industry leadership for both domestic and international business.

Peter maintains an active relationship with many government regulatory agencies, as well as Automotive OEM’s and Refrigerant producers providing expertise on refrigerant contamination, counterfeiting and identification. Peter is a former member of the MACS Board of Directors and currently serves as Chairman of the SAE Interior Climate Control Service Committee, as well as the SAE G21 Counterfeit Refrigerants committee. In addition he is a consultant to US government agencies, foreign government agencies and the United Nations Environment Program.

Ron Henselmans

Ron, who is married and has three grown children, is one of the founding members of MACPartners Europe and has been elected to The Board several times over the years. He was born and educated in the Netherlands and works in the automotive air conditioning industry since 1986.

The first 10 years of his career in the air conditioning industry was spent in the role of international sales manager for, German based, Auto Air Klimaanlagen, this company was later integrated into Signet Systems Inc. In 1996 he set up his own company Automotive Air Conditioning Reporter, which publishes a trade magazine and runs an online technical database for automotive air conditioning service specialists.

Ron also organizes the bi-annual European Automotive A/C Convention EAAC which takes place in September in Frankfurt, Germany. To get in touch with Ron about the convention please contact him on

Dirk De Coninck, MACPartnerts Board Member, MD of Mastercool Europe NV

Dirk has had a varied career, after gaining a Degree in electronics he has held management positions with General Electric, Ard Benelux and at present he is the European contact for Mastercool Europe NV.

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