Sadsad Tamesis Legal & Accountacy Firm
Our Team
Our Partners
Our partners are the foundation of Sadsad Tamesis Legal and Accountancy Firm, ensuring that we continue to serve our clients with commitment to excellence.
Graduated in the top 5 from the University of Santo Tomas Faculty of Civil Law, and as a way to give back to her alma mater, she taught various law subjects within the University, including Obligations and Contracts, Corporation Laws, and Taxation.
Atty. Kathrina Mishael C. Sadsad
With extensive expertise in Taxation, Corporate, Property, and Commercial Law, Atty. Chris C. Tamesis has become a trusted advisor to both businesses and individuals navigating the complex intersection of law, finance, and strategy.
Atty. Chris C. Tamesis
David Sheldon C. Pe Benito is an accomplished accounting professional with a rich academic background from the esteemed University of Santo Tomas, where he earned his bachelor’s degree in Accountancy.
David Sheldon C. Pe Benito, CPA
Atty. Carlo Artemus Diaz is an accomplished lawyer with a strong background in asset recovery and fraud prosecution. He obtained his law degree from the University of Santo Tomas and has accumulated approximately nine years of experience in the legal field.
Atty. Carlo Artemus Diaz
Experienced Legal Attorneys
We have a reputation for providing an exceptional legal service. Our diversity in terms of skills, qualifications, interests and backgrounds results in a skilled, enthusiastic, energetic and innovative team that sets our firm apart from the rest
Seasoned Years of Experience
We started in year as De Guia, Tamesis & Sadsad Law Firm at the humble province of Marilao, Bulacan. To meet the demands of our clients from the Metro, we decided to put up another firm in Quezon City.
Defining Success
Superior legal skills and a commitment to integrity, excellence and hard work enable us to frequently exceed our clients’ expectations.
Partner
Atty. Kathrina Mishael C. Sadsad
Practice Areas:
Family Law, Adoption, Guardianship & Other special proceedings, Nullity of Marriage and Legal Separation, Criminal Prosecution and Defense, Civil liability and Damages, Employment and Labor Law
Email: kcsadsad@sadsadtamesislaw.com
Graduated in top 5 from the University of Santo Tomas Faculty of Civil Law, and as a way to give back to her alma mater, Atty. Sadsad taught various law subjects within the University, including Obligations and Contracts, Corporation Laws, and Taxation.
She is focused on the field of civil and family law, including petitions for nullity of marriage, adoption cases, and judicial recognition of foreign divorce. Atty. Sadsad also handles criminal justice. She enjoyed great success as a trial lawyer, and her reputation for zealous and skilled representation resulted in her being retained to represent numerous high-profile clients.
She specializes in litigation and has devoted her career to civil and criminal litigation before courts and quasi-judicial bodies of all levels including the Supreme Court. She has extensive practice before the different levels of the prosecutorial system and has acted as a private prosecutor and defense counsel before the regular courts and up to the higher courts.
She has also attained her Master’s Degree in Entrepreneurship at the Ateneo Graduate School of Business.
Partner
Atty. Chris C. Tamesis, CPA, MBA.
Practice Areas:
Taxation, Corporate and Commercial law, Property and Real Estate, Data Privacy and Special Projects.
Email: cctamesis@sadsadtamesislaw.com
Atty. Chris C. Tamesis, C.P.A., is a purpose-driven leader committed to empowering clients and building a firm anchored in integrity, excellence, and innovation. With extensive expertise in Taxation, Corporate, Property, and Commercial Law, he has become a trusted advisor to both businesses and individuals navigating the complex intersection of law, finance, and strategy.
His unique blend of legal and financial insight allows him to deliver practical, high-impact solutions—consistently reducing tax burdens, streamlining compliance, and helping clients make confident, future-ready decisions. At the heart of his work lies a deep respect for the people and organizations he serves, and a belief that the law should create opportunities, not obstacles.
Chris holds an MBA, has completed a business development executive program sanctioned by Harvard, and is a graduate of the Chief Executive Officer (CEO) Program by the Asian Institute of Management (AIM) – Emeritus collaboration—an experience that sharpened his strategic vision and strengthened his ability to lead in times of complexity and change. These milestones have shaped his vision of STLAF as more than just a legal and accountancy firm: it is a catalyst for ethical, sustainable growth.
Known for his persuasive communication, strong negotiation skills, and steady leadership under pressure, Atty. Tamesis leads STLAF with both strength and empathy. He is deeply committed to fostering a collaborative culture where people are empowered, clients are truly heard, and results speak for themselves.
At his core, Chris believes in service—with purpose, with precision, and with heart. His leadership is not defined by titles, but by the meaningful impact he strives to create every single day.
Junior Partner
David Sheldon C. Pe Benito, CPA
Email: dcpebenito@sadsadtamesislaw.com
David Sheldon C. Pe Benito is an accomplished accounting professional with a rich academic background from the esteemed University of Santo Tomas, where he earned his bachelor’s degree in Accountancy.
His vast accounting proficiency and knowledge can be attributed to his past experience with several different industries. These include insurance, merchandising, education, foundations and associations, electric cooperatives, service, and manufacturing. Such diverse exposure has equipped him with a comprehensive understanding of the requirements and regulations of each sector, making him adaptable and dependable for any financial challenges that may come his way.
David guides and oversees a team of skilled accounting professionals and implements robust financial systems, ensuring unerring accuracy and efficiency in financial operations.
He is widely recognized for his integrity, expertise, and commitment to excellence in auditing and accounting. His wealth of experience and dedication make him a valuable asset to the industry.
Junior Partner
Atty. Carlo Artemus Diaz
Email: cavdiaz@sadsadtamesislaw.com
Atty. Carlo Artemus Diaz is an accomplished lawyer with a strong background in asset recovery and fraud prosecution. He obtained his law degree from the University of Santo Tomas and has accumulated approximately nine years of experience in the legal field. In 2023, Atty. Diaz was chosen as one of the finalists for the “Young Lawyer of the Year Award” of the 2023 Philippine Law Awards, hosted by the Asian Legal Business and Thomson Reuters.
Focusing primarily in fraud protection and asset recovery, Atty. Diaz has successfully assisted banks, financial institutions, corporations, business, and individuals in vindicating their claims related to asset recovery and fraud.
In addition to ordinary civil or criminal litigation, Atty. Diaz likewise excels in assisting clients in the field of arbitration, which is an emerging trend in the Philippine legal landscape. This alternative method of dispute resolution is particularly beneficial for clients involved in various specialized disputes best resolved expeditiously by a specialized tribunal. By practicing arbitration, Atty. Diaz becomes instrumental in helping clients resolve their specialized or niche legal matters efficiently and within a relatively shorter period of time compared to ordinary actions pending in court.
