Mar is the Partner of One Asia Lawyers in Cambodia. Also he has the other positions as following:
・ Current active Arbitrator on Employer List- Member of The Arbitration Council for collective labor disputes resolution.
・ Current Legal advisor and attorney at law attached to Ministry of Interior with equivalent rank of Under Secretary of State.
・ Current Legal counsel for WING (Cambodia) Ltd Specialized Bank which is mobile payment leading service provider in Cambodia via Phone Top Up Service (PTU)
・ Current Legal counsel and head of Legal and Regulatory affairs of CamGSM Co., Ltd ( Known as Cellcard) – one of the biggest mobile phone service and network providers in Cambodia
・ Current Legal counsel for Singapore Investors in garment industries: YI DA MANUFACTURER CO., LTD, Sam Embroidery (Cambodia) Co., Ltd, Kai Yue (Cambodia) Co. Ltd, etc
・ Current Legal Counsel for Investor from China for Establishment of Cigar Factory project worth of USD 30 Million in Sihanouk Province.
・ Current Legal counsel for Caminco Insurance Company (mixed state Insurance Enterprise
・ Current Legal counsel for Vietnamese and Hong Kong Investors in Agriculture Projects: BINHPHUOC KRATIE RUBBER 2 COMPANY LIMITED, EASTERN RUBBER (CAMBODIA), SOVANN VUTHY, DAUN PENH AGRICO, Lun Agritech Investment Company etc The Companies with Economic Land Concession for rubber and other agro-industrial plantations.
・ Counsel for EZECOM, Internet and Fiber Optic Service Provider
・ Currently acting as Respondent Representative for NCAC arbitration involving Termination of Construction Contract of USD 2.9 MLN sponsored by Korean INGO (Commercial Arbitration case no 03) . NCAC arbitration, Cambodian seat, Cambodian law, English Language.
・ Current Litigator for labor, civil, criminal and commercial claims in all court levels and National Commercial Arbitration Center in Cambodia.
Mar was a Senior Associate in Sciaroni and Associates (Formerly known as Tilleke & Gibbins and Associates) for 8 years and in RT Sok and Heng Law Office for 3 years before becoming managing Partner of Mar & Associates Law Firm.
He served as Board member of the Arbitration Council Foundation (ACF) for 8 years. He used to work as vice Chairman of Legislation Council of the Ministry of Interior from 2001 up to 2014.
1990 : Master of Science in engineering of Electro-mechanic in Navy
The Caspian Higher Naval Red-Banner College named S.M. Kirov, former USSR.
2001 : Bachelor of Law (Commercial Law)
National Institute of Management and University of San Francisco, Phnom Penh Cambodia.
2002 : Bachelor of Law (Public Law)
Faculty of Law and Economic, Phnom Penh Cambodia.
2005 : Master of law program at Build Bright University, Phnom Penh.
Bar Association of the Kingdom of Cambodia
MAR & Associates（Managing Lawyer）
Khmer, English and Russian