Mark Ensign: Email & Phone Number

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Chief Operating Officer & Chief Scientific Officer at Cristcot|Austin, Texas, United States

Position:

Chief Operating Officer & Chief Scientific Officer at Cristcot

Location:

Austin, Texas, United States

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Last updated: 2026-06-12

Updated: 2026-06-12

Found email addresses for Mark Ensign:

Business emails:

m******o@col-col.com,

m*********n@christcotmedical.com,

m*********n@cristcot.com

Personal emails:

g******5@comcast.net,

m**********1@gmail.com,

c**************l@gmail.com

Found phones for Mark Ensign:

+1-909-***-**42,

+1-623-***-**97,

+1-623-***-**80

A different Mark Ensign?

Work Experience 32 years

Chief Operating Officer & Chief Scientific Officer at Cristcot

Jan 2014 - Current

Senior Hydrogeologist at GEI Consultants, Inc.

Aug 1999 - Dec 2013

Hydrogeologist at Haley & Aldrich

Jun 1994 - Aug 1999

Mark Ensign started working in 1994, then the employee has changed 2 companies and 2 jobs. On average, Mark Ensign works for one company for 10 years 8 months.

Their professional focus is Environmental Awareness, Environmental Compliance, and Environmental Consulting across 3 core areas.

Education

Bachelor of Science (B.S.) at Furman University

Bachelor of Arts (B.A.) at Furman University

Master of Science (M.S.) at Wright State University

Frequently Asked Questions

What is Mark Ensign's email address?

SignalHire found verified email addresses for Mark Ensign, both business and personal. Their business email is m******o@col-col.com, and personal emails include g******5@comcast.net, m**********1@gmail.com, and c**************l@gmail.com.

What is Mark Ensign's phone number?

SignalHire found multiple verified phone numbers for Mark Ensign: +1-909-***-**42, +1-623-***-**97, and +1-623-***-**80.

How do I contact Mark Ensign at Cristcot?

You can reach Mark Ensign 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.

What is Mark Ensign's professional background?

Mark Ensign has 32 years of professional experience. They have held roles including Senior Hydrogeologist, and Hydrogeologist at companies such as GEI Consultants, Inc., and Haley & Aldrich. Their education includes Bachelor of Science (B.S.) from Furman University, and Bachelor of Arts (B.A.) from Furman University.

Is Mark Ensign's contact information up to date?

Yes. Mark Ensign's SignalHire profile was last updated on 12 June 2026, reflecting their current position as Chief Operating Officer & Chief Scientific Officer at Cristcot in Austin, Texas, United States.

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