Leadership
Senior Leaders
Mark Hansen, Ph.D.
Superintendent of Schools
262.781.3030 x11123
Dr. Mark Hansen has served as Superintendent for the award-winning School District of Elmbrook since 2012. Mark has worked diligently towards his passion of creating systems and leaders that embrace the motto, “Every Student, Every Time, All the Time.” He enjoys watching teaching and learning occur in the classrooms each day and loves witnessing ‘lightbulb’ moments in students when they learn something new or innovatively master a difficult task.
In 2006, Dr. Hansen was named Wisconsin High School Principal of the Year by the Association of Wisconsin School Administrators and was one of three finalists for National Principal of the Year by the National Association of Secondary School Principals. In 2018, Dr. Hansen completed his national superintendent certification through AASA. In 2021, he received the 2021 Advocate of the Year Award from the Waukesha County Business Alliance for demonstrating incredible dedication to making Waukesha County a vibrant community. Dr. Hansen was also named the 2024 Wisconsin Superintendent of the Year by WASDA.
Mark and his wife have 2 boys together and his greatest joy is spending time with his family. He also enjoys making time for faith, fitness, and fun!
Emily Greiber
Assistant Superintendent for Teaching & Learning
262.781.3030 x11188
Emily Greiber has served as Elmbrook’s Assistant Superintendent since 2024. She leads a dedicated staff that consistently sets the standard for educational excellence and is driven by a commitment to prioritize every learner’s unique needs and potential. Greiber is energized by her collaboration with high-quality staff in their work towards creating an enriching and supportive learning environment for all students.
Emily earned her Masters of Education and Education Leadership and Administration Licensure from Arizona State University in 2007. She received her Bachelors in Broadfield Social Science and Teaching Certification from UW-Stevens Point in 2000.
Prior to her role as Assistant Superintendent, Emily served as both Director of Data, Assessment & Continuous Improvement and Director of Elementary Teaching & Learning for Elmbrook beginning in 2013. Before Elmbrook, she served as an educator and Principal in both Wisconsin and Arizona for 12 years.
Emily received Elmbrook’s Excellence in Teamwork Award (2023), alongside her team, for her work around Science-Based Reading and Literacy Alignment. Outside of work, she enjoys spending time with her husband and two daughters, running, biking, and enjoying the great outdoors.
Chris Thompson
Chief Strategy Officer
262.781.3030 x11163
Chris Thompson has served as the Chief Strategy Officer for the Elmbrook Schools since 2005. He leads a team of talented staff in the areas of Technology, Transportation, Library, Student Information and Communications, whose work spans from busing 7,800 students to and from school, to facility and enrollment planning. Chris also guides the development of the District’s Strategy which is communicated through an annual Strategy Map.
Chris earned his Master’s Degree in Distance Education from the University of Maryland, University College in 2005. Chris received his Bachelor’s Degree from Georgetown University. He has served as an adjunct professor at local universities, specializing in operations management and strategic planning.
Chris and his wife have four children who add interest, excitement and energy to each and every day. With any spare time, Chris enjoys running and supporting his Hoyas.
Benjamin Prather
Assistant Superintendent for Business Services
262.781.3030 x11142
Benjamin Prather joined Elmbrook as the Assistant Superintendent for Business Services in 2024. He directed a talented group of individuals that help him oversee a district budget of over $100 million dollars.
Prior to Elmbrook, Prather served as the Director of Business Services for the Whitewater Unified School District and had served in a similar role in the Williams Bay School District. He earned his second Masters and a School Business Administration Licensure from UW-Whitewater in 2021, and his Bachelors of Science in Education from UW-Whitewater in 2008.
Pam Casey
Assistant Superintendent for Human Resources
262.781.3030 x11178
Pam Casey has served the District since 2018, first as the Director of Human Resources, and currently as Assistant Superintendent of Human Resources. She directs a talented group of Human Resources professionals who take pride in serving others in moments that matter.
Prior to joining Elmbrook, Pam worked in Human Resources in the Oconomowoc Area School District for 26 years as the Director of Human Resources. She earned her Bachelor of Business Administration and Master of Business Administration degrees from UW-Whitewater and a Masters in Human Resources and Labor Relations from UW-Milwaukee. Pam has served on the Executive Board of the Wisconsin Association of School Personnel Administrators for the past 8 years, previously in the role of President and currently serving as the Professional Development Chair, focusing on developing new HR administrators.
Pam and her husband have two boys and enjoy spending time as a family boating, golfing and traveling.
Directors
Mekenna Ellis
Director of Elementary Teaching & Learning
ellisme@elmbrookschools.org
262.781.3030 x11112
Amie Farley
Director of College, Career, & Life Readiness
farleyam@elmbrookschools.org
262.781.3030 x11111
Lisa Rettler
Director of Secondary Teaching & Learning
rettlerl@elmbrookschools.org
262.781.3030 x11110
Liz Stegemann
Director of Special Education & Student Services
stegemae@elmbrookschools.org
262.781.3030 x11190