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Jill Tietjen, P.E.


Jill Tietjen, P.e.Jill S. Tietjen, P.E., President, and CEO of Technically Speaking, Inc., provides consulting services in generation and transmission planning and fuels to the electric utility industry. She serves as an expert witness before public utility commissions and other government agencies. Her technical papers have been published in Public Utilities Fortnightly and Transmission and Distribution. She has co-authored several Institute of Electrical and Electronics Engineers (IEEE) papers.

Tietjen’s employers have included McNeil Technologies, the University of Colorado at Boulder, Stone & Webster Management Consultants, Hagler Bailly Consulting, Mobil Oil Corporation’s Mining, Coal Division, and Duke Power Company. She graduated from the University of Virginia (Tau Beta Pi, Virginia Alpha) with a B.S. in Applied Mathematics (minor in Electrical Engineering). She received her M.B.A. from the University of North Carolina – Charlotte. Tietjen is a registered professional engineer in Colorado.

Tietjen regularly speaks on women in engineering, historical women in engineering and science, and leadership topics. Her book Her Story: A Timeline of the Women Who Changed America, co-authored with Charlotte S. Waisman, was published by HarperCollins in 2008. Her introduction to engineering textbook, Keys to Engineering Success, was published by Prentice Hall in 2001. She is the co-author with Betty Reynolds of the Setting the Record Straight series, of which three volumes have been published. She has written articles for and been profiled in SWE: Magazine of the Society of Women Engineers, Graduating Engineer, U.S. Woman Engineer, Woman Engineer, and Engineering Horizons. She served as the 1991-1992 National President of the Society of Women Engineers (SWE). Jill S. Baylor is a contributing author to the 1995 book She Does Math! She nominates women for national awards, including the National Women’s Hall of Fame and the National Medal of Technology.

Tietjen has received numerous awards and honors, including SWE’s Distinguished Service Award, The Horizon Award (2003), the 2001 Woman in Technology Award from the Women’s Foundation of Colorado, Subaru, and News4; and Tau Beta Pi’s Distinguished Alumna Award (2004). Tietjen served on several non-profit boards and was previously Chair of the Board of Girl Scouts – Mile Hi Council. She is a member of the Board of Directors for the Georgia Transmission Corporation of Tucker, Georgia. She served on the Colorado State Board of Registration for Professional Engineers and Professional Land Surveyors 1996-2004, including two years as Chair. She previously served as Western Zone Vice President for NCEES. As a Commissioner on the Engineering Accreditation Commission of ABET, Inc., Tietjen is a Fellow Life Member of SWE and a Senior Member of the IEEE Power Engineering Society. She is listed in Who’s Who in Engineering, Who’s Who in Science and Engineering, and Who’s Who in Technology.

Tietjen and her husband David live in Centennial, Colorado, with their vegetarian cat Robbie.

  • B.S. Applied Mathematics (minor in Electrical Engineering), 1976, University of Virginia, School of Engineering and Applied Science (Tau Beta Pi, Virginia Alpha)
  • M.B.A., 1979, University of North Carolina – Charlotte
  • Fellow Life Member of SWE