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Y.E.S.S. Staff

PhyllisPhyllis A. Harvey
Youth Education Program Coordinator

Phyllis has been with the Douglas County Sheriff’s Office since 1990. She has a degree in criminal justice and has served at the agency in many different civilian positions including management.

Phyllis is a native of Douglas County who is highly committed to serving residents. She’s the primary liaison between the Y.E.S.S. team and the Douglas County School District and other entities to ensure the success of our youth programs. Phyllis is responsible for the coordination of all Y.E.S.S. programming along with teaching suicide alertness trainings (safeTALK) and suicide intervention skills workshops (ASIST) to the community and school district staff.

Contact her at or 303-814-7033.

Y.E.S.S. Instructors
Deputies Lauren Sandifer, Jay Carnes and Sean Heidman.

Deputies Sandifer, Carnes and Heidman bring many years of experience teaching the D.A.R.E. and Y.E.S.S. programs.

They teach in all of the middle schools and high schools in unincorporated Douglas County in the 7th and 8th grade health classes and varying classes in the high schools.  When time allows they also teach in the elementary schools and provide parent academies.  The educational focus is on teen relationships, substance abuse and digital safety.  They work hard to build positive relationships with the students that will last a lifetime.

Deputy Lauren Sandifer

Deputy Jay Carnes

Deputy Carnes has been in law enforcement for nine years.  He has served as a YESS Instructor for about two years.  He also serves as the training officer for the DCSO Honor Guard, is a member of Special Operations Response Team (SORT), a driving instructor for the department, and helps teach the License to Survive class for teens and parents learning about the permit/license process.  Before serving in law enforcement, Deputy Carnes was a teacher for seven years.

Deputy Sean Heidman

Deputy Sean Heidman is the newest member of the Y.E.S.S. program, joining our team of law enforcement educators for the 2016-2017 school year. As a former counselor and case manager for youth, he enjoys finding creative ways of providing young people with the tools and knowledge to succeed in a demanding world. Sean holds Bachelor’s and Master’s Degrees in Psychology and joined the Douglas County Sheriff’s Office as a Deputy in 2014. He is passionate in his service to the youth of Douglas County and looks forward to assisting in the continued growth of the Y.E.S.S. program.