Background
Bortle, Mark Robert was born on December 12, 1955 in Fairfield, Iowa, United States. Son of Robert Irving and Darlene Emelyne Bortle.
Bortle, Mark Robert was born on December 12, 1955 in Fairfield, Iowa, United States. Son of Robert Irving and Darlene Emelyne Bortle.
Bachelor of Science, Civil Engineering, Iowa State University, 1979.
Assistant county engineer, Jones County Secondary Roads, Anamosa, Iowa., 1979-1983; project development engineer, Iowa Department Transportation, Ames, 1983-1986; assistant design project engineer, Iowa Department Transportation, Ames, 1986; resident construction engineer, Iowa Department Transportation, Cedar Rapids, 1987; construction field engineer, Iowa Department Transportation, Cedar Rapids, since 1988.
Fellow American Society of Civil Engineers.
Married Melissa Mary Miller, May 14, 1983. Children: Alexandra Catherine, Samantha Rose.