Andy Choi
Chief Executive Officer

Mr. Choi has over 20 years of experience in product development and commercialization with expertise in the medical device industry. He has held executive positions ranging from engineering to marketing and sales in start-up settings to Fortune 500 companies.

Prior to co-founding Amplify Surgical, Mr. Choi was the Chief Business Development Officer at CTL and the VP of R&D at Ellipse Technologies and VertiFlex. While at VertiFlex, he introduced a pioneering minimally-invasive technology, enabling interventional physicians to surgically treat lumbar spinal stenosis. He also led the development and the asset sale of a spinal fusion system to Stryker, achieving a 10x return in less than a year from concept to commercialization. For almost 10 years, Mr. Choi also held leadership positions in both marketing and engineering with Stryker Spine and Orthopedics.

Mr. Choi also held leadership positions in both marketing and engineering with Stryker Spine and Orthopedics. Mr. Choi earned his B.S. in Mechanical Engineering from UC Berkeley and received his MBA from Rutgers University. He also completed Executive Education Program from the Wharton School of the University of Pennsylvania.

Jefrey Roh, MD
Chief Medical Officer

Dr. Roh has over fifteen years of experience as an inventor, angel investor, and serial entrepreneur and holds multiple patents through the USPTO. He is a Co-Founder of IntuitiveX, a Seattle-based life science incubator.

He served as a consultant on Stryker corporation’s Surgical Design and Innovation team and was instrumental in the development of their most commercially successful minimally invasive spine system of all time, ES2, as well as their marquee lateral access platform, ARIA.

He completed his orthopedic surgery residency at Case Western Reserve University and his spine surgery fellowship at the Hospital for Special Surgery in NYC. He is a graduate of the Michael G. Foster School of Business MBA program at the University of Washington and received a Master of Science in Technology Management at Columbia University in NYC.

Josh Chung, CPA

Mr. Chung is a certifed public accountant with almost 20 years of experience in providing the management advisory and attestation services primarily with KPMG to a variety of domestic and international based companies in accordance with PCAOB requirements, U.S. GAAP, Statements on Standards for Accounting and Review Services (SSARS), and International Financial Reporting Standards (IFRS). His professional experience ranges from initial public oferings, mergers, and acquisitions, fnancial due diligence, SEC registration statements and Sarbanes-Oxley 404 among many others.

He has signifcant experience in various industries including fnancial services, consumer market, and industrial products and has served private and public companies ranging from development stage enterprises to Fortune Global 500 companies.

Mr. Chung is also an angel investor and serves as an advisor and a mentor at multiple venture capitals and incubators, where he works closely with investors and entrepreneurs to create a healthy business ecosystem, including education sessions, connecting advisors and introduction to investors, then combining seed capital and hands-on help to positively impact the entrepreneurs and early-stage startups.

Jonghoom Lim

Mr. Lim manages Hanmi Healthcare and Hanmi Ventures to collaboratively combine investment and business aspects to enhance the value of the existing business platform with innovative technologies and services. He has been with Hanmi family companies for more than 15 years and now resides in Shanghai, China.

9272 Jeronimo Road, Suite 107B
Irvine, CA 92618

(765) AMPLIFY [(765) 267-5439]