John Twombly

John Twombly: Email & Phone Number

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Principal Geotechnical Engineer at AECOM|Dallas-Fort Worth Metroplex, United States

Position:

Principal Geotechnical Engineer at AECOM

Location:

Dallas-Fort Worth Metroplex, United States

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Last updated: 2026-06-16
Updated: 2026-06-16

Found email addresses for John Twombly:

Business emails:
s*******r@webtv.com,
j**********y@aecom.com
Personal emails:
j*******y@yahoo.com,
j*******y@hotmail.com

Found phones for John Twombly:

+1-870-***-**35,
+1-909-***-**82
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Work Experience 20 years

Principal Geotechnical Engineer at AECOM

Sep 2023 - Current

Chief, Materials Testing Branch at US Army Corps of Engineers

Jun 2022 - Sep 2023

Geotechnical Team Lead at US Army Corps of Engineers

Jul 2016 - Jun 2022

Senior Geotechnical Engineer at US Army Corps of Engineers

Aug 2009 - Jul 2016

Geotechnical Engineer at US Army Corps of Engineers

Aug 2006 - Aug 2009

John Twombly started working in 2006, then the employee has changed 1 company and 4 jobs. On average, John Twombly works for one company for 4 years.

Education

University of Mississippi

Frequently Asked Questions

SignalHire found verified email addresses for John Twombly, both business and personal. Their business email is j**********y@usace.army.mil, and personal emails include j*******y@gmail.com, j*******y@yahoo.com, and j*******y@hotmail.com.
SignalHire found multiple verified phone numbers for John Twombly: +1-870-***-**41, +1-870-***-**35, and +1-909-***-**82.
You can reach John Twombly 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.
John Twombly has 20 years of professional experience. They have held roles including Chief, Materials Testing Branch, Geotechnical Team Lead, and Senior Geotechnical Engineer at companies such as US Army Corps of Engineers, US Army Corps of Engineers, and US Army Corps of Engineers. Their education includes University of Mississippi.
Yes. John Twombly's SignalHire profile was last updated on 16 June 2026, reflecting their current position as Principal Geotechnical Engineer at AECOM in Dallas, Texas, United States.

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