Corporate Security and Business Aviation – Meet the Team

Our team shares one very important belief in common, people come first. That is why for over 20 years we’ve found a way to develop long-lasting partnerships and bonds with the organizations and individuals that use our services. Whether we’re focused on business aviation and obtaining overflight permits, organizing private jet charters or consulting an industry leader in concern to corporate security, we start with a personal touch and use that to build towards professional excellence.



Simon Wagstaff BEM MIExpE

Founder & Chairman

“Always deliver more than promised”

Having lived and worked in Asia since 1989, Simon has 20 years of service in the British Army as a Senior Bomb Disposal Officer with Commando Forces and was honoured with the British Empire Medal for Meritorious Service. As Founder of The ASA Group he has expanded the company into multinational operations. He remains one of the few people in the region with such a broad range of depth and experience.


Ted Devereux FBIM, FIoD

Director of Corporate Development

“The foundation of all successful organizations is the team”

Ted has lived and worked in Asia Pacific for the past 40 years and is currently based in Kuala Lumpur. After a short career‎ in the British Army, he joined the Security Industry in 1973 and over the years  has founded and built a number of security companies, as well as working for multi-national security companies, including an appointment by G4S as Regional President, Asia Pacific  2002 – 2010.  He joined The ASA Group in 2012. Ted is passionate about developing people and building teams.


John Barclay LLB (Hons)

Director Legal & Finance

“The word ‘surprise’ shouldn’t be anywhere near the words legal or finance”

John is a UK-qualified barrister and chartered accountant, with over 30 years’ post-qualification experience to director level, much of it in Asia. He has worked for Deloitte, CBS, BP, Stolt-Nielsen and WorldWide Shipping, among others and took part in the first western audit in China (for BP, in 1984). Based in Hong Kong (and Shanghai) since 1993, he has helped set up and support over 1,000 SMEs, entrepreneurs and MNCs.


Julie Ambrose

Director of Aviation

“If it seems like our work is easy, we’ve done our jobs”

The appointment to Director of Aviation couldn’t have been a more natural progression for Julie. Her 18 years of aviation experience include flight coordination, aircraft sales, flight attendant, FBO operations, with her last role as the West Coast Rep at Air Routing International / Rockwell Collins prior to moving to Bangkok in 2010 to join The ASA Group. Her role now covers all flight operations and services throughout 15 countries and charter flight operations globally.



Patcharin Buasri

Assistant Director of Aviation
ASA (Thailand) Ltd.

Chris Horton

Director Security


Pharatee Bandith (Taan)

Operations Supervisor
ASA (Thailand) Ltd.


Irvan Rudyantho

Operations Manager
PT ASA (Indonesia)


Billie Tan

Operations Manager
ASA (Malaysia) Sdn Bhd


Johnny Lai

Operations Manager
ASA (South China) Ltd.


Phassana Phudwanna (Nuch)

Sales & Marketing Manager

Nussara Srithon

Charter Sales Manager
ASA (Thailand) Ltd.

Chris Setsompop

Flight Operation Supervisor
ASA (Thailand) Ltd.


ASA Group Holdings Ltd.
1106-1108 Tai Yau Building, 181 Johnston Road, Wanchai, Hong Kong

ASA South China Ltd. (Hong Kong)
1106-1108 Tai Yau Building, 181 Johnston Road, Wanchai, Hong Kong
Office: +852 3588 0025

ASA (Thailand) Ltd.
19 Floor, Column Tower 199 Ratchadapisek Road, Klongtoey, Bangkok 10110 Thailand
Office: +66 2 260 7588

ASA (Malaysia) Sdn Bhd
Suit 702, 7th Floor Wisma Hangsam Jalan Hang Lekir 50000 Kuala Lumpur, Malaysia
Office: +60 37 932 4097

PT ASA (Indonesia)
JI. MH Thamrin, #81 1N, 12/F The City Tower Jakarta Pusat 10310, Indonesia
Office: +62 21 2955 7565

ASA Group (Singapore)
61 Ubi Avenue 2, #08-03, Automobile Megamart, Singapore 408898
Office: +65 6443 9087