About Andrew Ewing III
Andrew Ewing III is president and chief operating officer of Roncelli Plastics, which makes precision plastic components and assemblies for aerospace and semiconductor uses.
Experience
This experience comes from official bios, from Andrew Ewing III's profile and from SEC filings. For roles taken from filings, the years are when the filings name Andrew Ewing III in the role, so the role may have started earlier or lasted longer.
Roncelli Plastics, Inc. Current
President and Chief Operating Officer, director
2026 – Present · Monrovia, CA
Roncelli manufactures precision plastic parts and assemblies for critical aerospace and semiconductor uses.
RT
Roncelli Technologies Current
President
2025 – Present
AE
AECOM
Director - Corporate Finance
2013 – 2021
WM
Western Asset Management
Supervisor - Global Client Reporting
2003 – 2013
Key Colleagues at Startups
The people Andrew Ewing III works with at each company, as listed on that company's latest Form D.
Roncelli Plastics, Inc. · Form D, Nov 12, 2026
RC
Riley Cole
Executive Officer and Director
CC
Christopher Cole
Executive Officer and Director