Walanchathas has over eight years of experience working in Thailand and the Lao PDR. She specializes in cross-border financing, mergers and acquisitions and commercial transactions, particularly in relation to structuring finance deals and advising on negotiations. Walanchathas has advised on numerous mergers and acquisition projects as well as lenders and developers on major infrastructure projects in the region, covering hydropower, solar, and oil and gas projects. Walanchathas has completed a Master of Laws (LL.M.) at Northwestern University, Chicago, and a Bachelor of Laws (LL.B.) at Chulalongkorn University, Bangkok.