Ivan Siu

Chief Financial Officer (USA & Canada)

Ivan Siu graduated from Walter A. Haas School of Business of the University of California, Berkeley, with a Bachelor's degree in Business Administration. He is a certified public accountant of the Hong Kong Institute of Certified Public Accountants.
Ivan has over ten years of experience in accounting, auditing, and internal control. He has held various senior management positions in United States and Hong Kong listed companies responsible for the internal audit, daily financial operations, and compliance with the applicable rules and regulations.
He also worked in PricewaterhouseCoopers (PwC) in both United States and Hong Kong offices, during which he audited the work of listed companies and initial public offering projects.

Tatiana Bras

Dental Center Manager

Tatiana Bras brings over five years of hands-on experience managing high-performing dental practices, and now applies that expertise to her role at the dental lab. With deep insight into the clinical side of dentistry, Tatiana serves as a critical liaison between dental providers and the lab team—ensuring cases run smoothly, communication is clear, and patient outcomes exceed expectations.
Her background includes overseeing multi-specialty practices with up to five providers, coordinating schedules in General, Hygiene, Implant, Endo, Oral Surgery, and Ortho to meet production goals. She’s experienced in case acceptance review, patient consultations, and practice growth through operational efficiency and service excellence.
At the lab, Tatiana’s focus is on supporting dentists with precision, responsiveness, and a deep understanding of what it takes to deliver high-quality results on time. Her ability to manage relationships, guide case logistics, and keep the lab aligned with provider goals makes her an invaluable part of our team.