Found email addresses for William Sun:
Business emails:
s**@rtx.com
Personal emails:
s***@lockheedmartin.com,
s***@hotmail.com,
s***@gmail.com,
s***@northropgrumman.com
Found phone for William Sun:
+1-205-***-**31
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A different William Sun?
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Director of Systems and Strategic Projects at
RTX
Dec 2018 - Current
Senior Program Manager, Aerospace Systems Division at
Lockheed Martin
Aug 2011 - Oct 2018
Systems Engineer at
Northrop Grumman
Jan 2007 - Jul 2011
William Sun started working in 2007, then the employee has changed 2 companies and 2 jobs. On average, William Sun works for one company for 6 years 5 months.
Their professional focus is Classified Project Oversight and Technology Innovation & Risk Control across 2 core areas.
Education
UCLA
Frequently Asked Questions
SignalHire found verified email addresses for William Sun, both business and personal. Their business email is s**@rtx.com, and personal emails include s***@lockheedmartin.com, s***@hotmail.com, and s***@gmail.com.
SignalHire found a verified phone number for William Sun: +1-205-***-**31.
You can reach William Sun through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.
William Sun has 19 years of professional experience. They have held roles including Senior Program Manager, Aerospace Systems Division, and Systems Engineer at companies such as Lockheed Martin, and Northrop Grumman. Their education includes UCLA.
Yes. William Sun's SignalHire profile was last updated on 19 December 2025, reflecting their current position as Director of Systems and Strategic Projects at RTX in Arlington, VA, United States.
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