International Sales Team

Domenic Arnz

Director of International Sales

Mr. Arnz brings many years of international dental equipment sales experience with him. He served as Head of Sales and Marketing for the last 4 years at SMACO, an EMS company. Prior to that he worked in different roles for Sirona and its subsidiary FONA. During his tenure there he lived for 3 years in China.

Horacio Gonzalez

International Sales Manager - Latin America

  • C: +521-55-4082-0778
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Horacio Gonzalez joined Air Techniques in March 2016. As International Sales Manager, he is responsible for sales in Central America and the Caribbean. He has held sales management positions with Kavo Kerr Group and Fona Dental, and previously held the positions of sales manager and sales representative for multiple pharmaceutical companies. Mr. Gonzalez received a Master’s Degree in Business Administration from the Universidad de Negocios ISEC, a Bachelor’s Degree in Industrial Engineering from the Universidad Autonoma Metropolitana, and has taken post graduate classes in strategic sales management, project management and sales and marketing. He is a member of the Project Management Professionals at Mexico, and he enjoys playing the drums in a local rock band. The middle brother of three, Mr. Gonzalez is happily married and has a son.

Abdelkarim Selim


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Abdelkarim brings with him 7 years of experience as a Country and Area Manager for Fona Dental, Dentsply Sirona Group, along with his six years of experience at Biomid. Abdelkarim has previous experience in the Middle East, North East Africa, South East Asia, and Africa. Abdelkarim consistently exceeded sales targets and has numerous dental equipment certifications. Abdelkarim received his Bachelor’s Degree in Biomedical Engineering from Higher Technological Institute in 10th of Ramadan City Egypt.

Len Tanne

International Sales Manager - Australia & New Zealand

  • C: +61-423-821-641
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Len Tanne has been in the dental industry for the past 14 years and was previously in the medical industry for the prior 12 years. Before joining Air Techniques in January of 2011, Mr. Tanne held positions at Sirona, Gunz Dental, Halas Dental, GE Medical Systems and Nucletron. In his current role as International Sales Manager at Air Techniques, Mr. Tanne is responsible for sales in Australia, New Zealand and Southeast Asia. He received a trade certificate in Electronics from the Technical College of South Africa, studied Biomedical Engineering at INTEC College, received a Bookkeeping Diploma from Damelin Management Schools, and received certification as an ILS Paramedic from Sandton Emergency Services. Mr. Tanne is a member of the Australian Association, and he enjoys photography, boating, waterskiing and building model ships from the Victorian era.

Shuhei Yamato


Johnny So

International Sales Manager - China, South-East Asia

  • C: +852-9456-6385
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Johnny So joined Air Techniques in January 2017. As International Sales Manager, he is responsible for sales in the Asia Pacific region. Mr. So has nearly 2 decades of experience in the dental industry. He has worked with multiple dental manufacturers, including Adec, Vatech, Duerr, Midmark and Parkell, and he has also worked with Philips Sonicare. Mr. So maintains and continues to strengthen his relations with dealer partners and dental practitioners in his territory. His key focus will be building a greater market potential in the Asian countries. Mr. So’s hobbies include running, playing Snooker, and watching movies.  

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