
Our Teams
Predee Pravichpaibul
Founder and Managing Partner
Predee is a Founder and Managing Partner of Principle Law and Advisory, where he helps clients navigate complex business and legal matters with clarity and confidence.
Predee provides counsel and representation to clients in a wide range of commercial and business transactions, encompassing hospitality, real estate, digital and technology law, data protection, employment, corporate, banking, and finance. Predee specializes in guiding corporations, small and medium enterprises (SMEs) and startups through domestic and cross-border M&A transactions.
Chalanthorn Siri-Aksorn
Mid-level Associate
Chalanthorn is an Associate at Principle Law and Advisory. Her expertise includes advising on mergers and acquisitions with a strong focus on drafting and reviewing key transaction documents such as asset and share purchase agreements, shareholders’ agreements and share subscription agreements. Chalanthorn also advises on a wide range of commercial contracts and real estate transactions including drafting and negotiating lease agreements and structuring long-term leasehold arrangements. In the hospitality sector, Chalanthorn regularly assists hotel owners and operators in reviewing and negotiating hotel management agreements and its ancillary agreements.
Sireethon Phongam
Associate
Sireethon is an associate at Principle Law and Advisory. Her expertise includes a wide range of regulatory matters, including corporate law and real estate law, with a particular emphasis on land use regulations, zoning, development permits, and compliance with relevant regulatory frameworks. She also advises on the drafting and reviewing of transaction agreements, especially for share purchase agreements and shareholders’ agreements.
Siwaphon Sanguansiriluk
Associate
Siwaphon is an Associate at Principle Law and Advisory with broad expertise in corporate and commercial law. He advises both local and international clients across various industries on legal matters throughout the business lifecycle, including company incorporation, cross-border transactions, commercial contract negotiation, and regulatory compliance.
Pordee Pongsathantham
Legal Assistant
Pordee advises clients on general corporate matters, regulatory compliance, and commercial contracts. With a developing specialization in the hospitality and environmental sectors, he helps businesses navigate the intersection of operational requirements and sustainability regulations.

Our Internship Program
We believe in new generations and are committed to guide, coach and provide them with the right opportunity and suporting environment so that they can reach their full potential.










Careers
At Principle Law & Advisory, we believe your career should empower you to grow both personally and professionally. We are committed to maintaining spaces for new perspectives, open dialogue, and novel thought because we know collaboration fuels creativity. If strategic problem-solving, passion for law, and a talented and genuine team environment interest you, we would love to meet you. Fill out the form below, and let’s get started on building Bangkok’s legal future together.




