LAWYER PROFILE
Supasit Boonsanong

Supasit Boonsanong

Global 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 1 practice area

Projects & Energy

Thailand

4 years ranked

About

Provided by Nagashima Ohno & Tsunematsu

Global

Practice Areas

Supasit has extensive experience in complex cross-border energy transactions, including project finance, M&As, and operations in renewable, oil, gas, and petrochemical sectors. He advises leading energy companies on project development, joint ventures, licensing, supply, construction, and financing agreements, and is skilled in negotiating EPC contracts.

Career

Supasit Boonsanong has extensive experience in complex cross-border energy transactions, including project finance, M&As, and operations in renewable, oil, gas, and petrochemical sectors. He advises leading energy companies on project development, joint ventures, licensing, supply, construction, and financing agreements, and is skilled in negotiating EPC contracts.

He leads the legal team advising Thai authorities on petroleum law amendments and teaches petroleum and investment law at Chulalongkorn University.

With over 20 years at top international law firms in Bangkok and over 15 years as general counsel for Thailand’s National Petrochemical Company, Supasit offers extensive legal expertise in the energy field.

Awards

leading Projects and Energy lawyer

Chambers Asia-Pacific

2024

leading Project Development lawyer

IFLR 1000

2025

Chambers Review

Provided by Chambers

Chambers Global Guide

Projects & Energy - Thailand

Band 3
Band 3

Individual Editorial

Supasit Boonsanong demonstrates extensive involvement in advising energy and infrastructure companies on projects and transactions in Thailand. He is especially focused on the oil and gas, renewable energy, mining and transportation sectors.

Strengths

Provided by Chambers

  • Supasit Boonsanong is a good service provider who has strong experience and knowledge.

    Projects & EnergyChambers Global Guide
  • Supasit is great.

    Projects & EnergyChambers Global Guide

Ranked Individuals at Nagashima Ohno & Tsunematsu (30)

Japan

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership