Our People
The Minds Behind 3DT Holdings
Our leadership team brings decades of combined expertise in medical device development, clinical research, regulatory affairs, and life sciences entrepreneurship.
Ghassan Kassab, Ph.D.,
Founder, Managing Member
Dr. Kassab received his BS (Chemical Engineering), MS (Engineering Sciences) and PhD (Bioengineering, Summa Cum Laude) from University of California, San Diego.
Dr. Jose Antonio Navia MD.
CardioThoracic Surgeon
Dr. Jose Antonio Navia received his medical degree and doctoral thesis from the National University of Medicine in La Plata, Argentina.
William Combs
Director of Engineering
Bill Combs has over 35 years of experience researching and implementing novel medical device therapies and diagnostics.
Terry Hubbard, Sr. Engineer
Project manager
Terry has been immersed in medical device design and commercialization for more than 30 years.
Frederic Field
Director of Development
Mr. Field has 25+ years of medical device product development experience in a variety of start-up companies.
Mengjun Wang, MD,
MS Research Professor
Dr. Mengjun Wang has 20+ years of experiences in in-vivo efficacy/safety studies of cardiovascular devices/pharmaceuticals.
Alex Lillo
Office Manager
Accomplished professional banker with more than 20 years of building strategic client relationships, during which he managed several Bank and Credit Union branches.
Ryan Huffman
Engineering Technician
Engineering Technician with over 7 years of experience in medical device R&D
Greg Kelly
Senior Engineer
Greg Kelley has over 30 years of experience in medical device design and development.
Edwin De los Santos
Engineering Technician
Edwin has been working for more than 25 years in building and assembly of Medical Devices, with experience in Electronics, Aerospace and Mechanical Manufacturing Industries.
Neil Drake
Senior Engineer
Neil Drake has 25 years of class 3 implantable medical device experience with companies such as Arterial Vascular Engineering, Medtronic Vascular, Dexcom, Obalon Therapeutics, and Companion Medical.
Ismail Qaddoura
Senior Information Technology (IT) Manager(MSIS)
Ismail is a seasoned IT professional with over 30 years of experience in the field. He initially ran a successful IT company in San Diego before joining a team in 2020.