John Hefner Email & Phone Number

John Hefner Email & Phone Number

President @ Blue & Gray Resources, Inc

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John Hefner's Location

Denver, CO, US

John Hefner's Education

  • Colorado School of Mines

    Master's degree (Petroleum Engineering)

    1991 - 1992
  • Marietta College

    Bachelor's degree (Petroleum Engineering)

    1981 - 1985

John Hefner's Summary

John Hefner, based in Denver, CO, US, is currently a President at Blue & Gray Resources, Inc. John Hefner holds a 1991 - 1992 Master's degree in Petroleum Engineering @ Colorado School of Mines.

John Hefner Email Address

Found 2 email address listings:

John Hefner Phone Number

Found 2 phone numbers:

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