Advancing the world in which we live

We’ve built our careers and our reputations on creating cutting edge technology to make the world a better place.


Hong Tan, PhD

Founder and Chief Executive Officer

Hong began his entrepreneurial career in 2000 when he founded Wave Crossing, a fiber optics company that developed a self-focus lens technology widely used in the optic fiber networks. In 2001, Hong founded FortéBio, where he led the creation of the Bio-layer Interferometry technology. Before starting his entrepreneurial endeavor, he worked for several data storage companies, including Iomega, Seagate, and Maxtor. Hong was responsible for the control system for the High Energy Imaging Device, a NASA space telescope project. He received Ph.D. and MSEE from Auburn University, BSEE from Xi’an Jiao Tong University, and EMBA from Cheung Kong Graduate School of Business.


Robert Zuk

Founder & Chief Technology Officer
Robert is respected in the life science and clinical diagnostics industries for his repeated success in integrating biochemistry with device design to provide elegantly simple solutions to challenging analytical problems. His contributions encompass diverse applications—from biosensors on the Octet platform (FortéBio) and Threshold instrument (Molecular Devices) for life science applications, to ultrasound enhanced gene delivery in myocardial and skeletal angiogenesis (Pharmasonics), to point-of-care cardiac marker tests (First Medical) and AccuLevel (Syva), one of the first commercially available, instrument-free, quantitative assay for therapeutic drug monitoring. Bob has a portfolio of more than 60 U.S. patents and pending applications. He received his B.S. in Biology from University of California, Riverside.

Pu Li

Director, Application and Development

After getting her Ph.D. degree in Biochemistry from UC Davis, Pu spent more than 15 years in bioanalytical instrument industry.  Pu is leading research and application development teams that focus on fluorescence labeled and BLI label-free technology. She was instrumental in developing many of the Gator Bio very successful bioassays and immunoassay systems that She strongly believes in team work and also providing opportunities for development to every team member.

Hongshan Li

Director, Customer Success

Analytical thinker with keen problem-solving acumen. Hongshan has a proven record of applications development around antibody characterization and AAV in gene therapy. Also, driving customer satisfaction at various companies including Forte Bio, Pall, Corning. He is leading the initiative of building a strong customer success team that in collaboration with sales, marketing and R&D.

Subodh Nimkar

Director, Marketing

Subodh Nimkar brings over 25 years of marketing and product management experience in the life sciences instrumentation, software and consumables business. The extensive experience spans the fields of protein characterization and quantitation using mass spectrometry and Edman sequencing, and several years in next-gen sequencing. In addition to managing business in the USA, Subodh has also experience in the Asia Pacific and Europe region.


He formerly successfully led marketing and product management teams at Applied Biosystems, Life Tech, Thermo Scientific, Agilent, MGI and Streck. 

Todd Baker

Director, Global Commercial Sales

Todd has more than 25 years of sales and management experience in the life sciences industry and developing and leading teams in consistently delivering high double-digit growth. Before joining Gator Bio, he was Head of NA Sales and Technical Support for Specac, a division of the Foresight Group.


Prior to joining Specac, Todd served in roles of increasing responsibility at Pall Corp., as the Director of Sales and Sr. Sales Manager for Thermo Fisher Scientific where he increased sales with triple-digit growth. Todd has a Bsc. in Biology from West Liberty University.

Jenq-yuan Yao

VP Manufacturing & Operations 

Yao has over 30 years of experience in biotechnology and pharmaceutical industries spanning R&D, process development/improvement, quality, and reagents/consumables manufacturing. He joined ET Healthcare/Gator Bio in November 2015. Prior to joining Gator Bio, he was one of the early members of ForteBio (BLI) team and served for 12 years as director of process development and manufacturing. Yao also led manufacturing initiatives at other leading companies including Molecular Devices (Instruments), Anosys, Calydon, First Medical, & Metra Biosystem.

William Zhang

Senior Controller

William has over 25 years of experience in leading finance and accounting in biotech industry. Also, successfully managed several company merger and acquisitions. William also led HR and benefit management in his previous roles. He has a MBA in accounting from Golden Gate University. Strongly believes in and maintains very positive attitude in work and life that helps Gator Bio maintaining excellent work/life balance.

Trudy Estridge

Senior Director, Regulatory Affairs

Dr Trudy Estridge has served as Senior Director of Clinical and Regulatory since July 2021. She brings nearly 30 years’ experience in medical devices and combination products. Prior to joining ET Healthcare, Inc, Trudy was an independent consultant for various medical devices companies. She was also Director of Clinical and Regulatory Affairs at Actamax Surgical Materials, and Vice President of Regulatory Affairs for Angiotech Pharmaceuticals. Trudy began her professional career as a scientist/engineer for medical device companies in the bay area.  Dr Estridge holds a bachelor’s and master’s degrees from the Texas A&M University in Bioengineering and a doctorate degree from the University of Alabama at Birmingham in Biomedical Engineering.  Trudy is the inventor of several patents in use of materials to deliver active substances. 

Katherine Ton-Tho

Human Resources Manager 

Katherine has been a HR professional since 2016 with a focus on talent acquisition, people operations, HRIS and ATS implementation, and positively shifting company cultures. Since joining Gator Bio in 2021, Katherine has led the HR team to increase headcount by 58% and decrease turnover by 7%. Katherine utilizes her degree in Liberal Studies and Human Development to bring the “human” aspect to Human Resources.