Company: QTIWW
Filing Date: 2025-12-29
Form Type: S-1/A
Source: 0001628280-25-058960
Chunk: 237

Company: QT IMAGING HOLDINGS, INC.
Filing Date: 2025-12-29
Form: S-1/A
Chunk 237
---
 she held several executive-level positions at GigPeak, including Executive Vice President and

<div align='center'>156</div>

Chief Operation Officer from April 2016 until it was acquired by IDT in April 2017, and before that, as its Executive Vice President of Global Sales and Marketing from August 2015 to April 2016, and as its Senior Vice President of Global Sales and Marketing from December 2014 to August 2015. From February 2014 to September 2017, Dr. Dinu was a member of the board of directors of Brazil-Photonics, in Campinas, Brazil, a joint venture that GigPeak established with the Centro de Pesquisa e Desenvolvimento em Telecomunicações (CPqD). From 2001 to 2008, Dr. Dinu was Vice President of Engineering at Lumera (Nasdaq: LMRA). Lumera was acquired by GigPeak in 2008, and Dr. Dinu joined GigPeak at that time. Dr. Dinu holds a B.Sc. in Physics and Ph.D. in Solid State Condensed Matter Physics from the University of Bucharest, and an Executive-M.B.A. from Stanford University. She also has a Corporate Director certificate from Harvard Business School, after completing the certification for Audit Committees and Compensation Committees in 2021 and Making Corporate Boards More Effective in 2022. Dr. Dinu is married to Dr. Katz, our Chairman of the Board.

We believe Dr. Dinu is qualified to serve on the Board based on her business experience as a board member of a publicly-listed company and her investing experience .

#### Jay Jennings

#### , Chief Financial Officer.
Mr. Jennings has served as the Chief Financial Officer of QT Imaging since September 2025. Mr. Jennings is a seasoned accounting and finance executive who served in various executive level positions at UpHealth, Inc. since June 2021, when he began as the company’s Chief Accounting Officer, and then became the company’s Chief Financial Officer in October 2023 and Acting Chief Executive Officer in July 2024. He served as an Audit Manager at Ernst & Young LLP from September 1989 until January 1996 and as Vice President of Finance and Corporate Controller for MetaCreations Corporation from January 1996 until July 2000. For more than 17 years beginning in March 2001, Mr. Jennings held various roles with publicly traded eHealth, Inc., a leading health insurance marketplace, most recently serving as