Part Time
Contact No.: 
+63 (02) 751-8285 to 86
Tessa Villanueva-Tiansay is currently a partner of the Villanueva Tiansay & Trinidad Law Offices. She started her legal practice in 2011 as a junior associate of Angara Abello Concepcion Regala & Cruz (ACCRA) Law Offices and, thereafter, Gabionza de Santos and Partners Law.
Tessa obtained her AB Development Studies degree from the Ateneo de Manila University, minoring in Development Management and graduating with an honorable mention. She finished her Juris Doctor degree from the same university in 2010, graduating 6th in her class with second honors. She took the 2010 bar examinations which she passed in the same year. She has been teaching at the Ateneo Law School since 2013.  She is also a faculty member of the Lyceum of the Philippines School of Law.
Tessa has co-authored two published books on Philippine Corporation Law and the Law on Sales.
Areas of Specialization: 
  • Commercial Transactions
  • Corporation Law
  • Labor Law
  • Special Projects
Professional Association & Recognition: 
  • Member, Integrated Bar of the Philippines (since 2010)
Courses Taught: 
  • Corporation Law
  • Law on Sales
  • Partnership, Agency and Trust
Juris Doctor, Ateneo de Manila University School of Law, 2010; Bachelor of Arts, Major in Development Studies, Minor in Development Management, Ateneo de Manila University, 2006