Meet our people
Our Washington MESA staff and board are responsible for administration of our statewide program. Contact our team.
For localized support, find your program center.
STAFF
Justin Chang

Data Analyst
Justin is a Data Analyst at UW MESA and long-time King County resident. His educational background is in the social sciences, including an MA in Communication which he received from Ohio State University. Much of his prior experience has been with disadvantaged populations, including working as a Residential Youth Counselor for homeless teens, an Event Coordinator in his undergraduate school’s Multicultural Student Center, and as a volunteer in programs focusing on the Latino population. Apart from work, Justin is an avid hiker and gamer.
Katrina Treitman

Program Manager, Grants & Contracts
Katrina came to Washington MESA from the University of Washington Housing Residential Life team, where her focus was budget and financial management, technology oversight, training coordination, and program operations for the large team working to enhance the experience of students living on the UW Seattle campus. Katrina is a lifelong Seattleite and studied Public Health, Environmental Health, and Geography at the University of Washington and earned her master’s degree in Public Administration at Seattle University. Katrina enjoys painting, kayaking, and spending quality time with her family.
Dr. Lindi Rubadiri-Mujugira

Director of STEM Programs
Dr. Rubadiri-Mujugira considers her key mission in life to help people reach their potential, particularly those underserved by circumstance and passionate about engineering and science.
Lindi joins Washington MESA following her role as the Director of the Washington State Academic Redshirt Program (also known as STARS) at the University of Washington located in the College of Engineering. Prior to this she was the Associate Director – STEM Liaison in the Center for Career Connections housed under the RISE (Research-Innovation-Service and Experiential) Learning institute at Bellevue College. She also served as an adjunct professor in the math department.
Lindi was an engineering consultant for 8 years in Southern Africa. One flagship project she was fortunate to be involved with was the infrastructure of the 2010 FIFA soccer world cup games – the first-ever, on African soil. This included the fire engineering designs for the airport extensions, soccer stadia design assessments, and underground high-speed train network (Gautrain) design.
She completed her B.Sc. in Mechanical Engineering at the University of Nairobi in Kenya. Graduate school then led her to the UK where she completed an MPhil and Ph.D. at the University of Lancashire in the Department of Built Environment.
Lindi enjoys sports such as tennis and squash. She follows Formula 1 racing around the world and has been known to get up at 5 a.m. on Sundays to follow the circuit. She loves to travel and is a published poet. She lives in Seattle with her husband, Andrew and their two daughters, Lucy, and Lisa.
Shezwae (Sezi) Fleming

Executive Director for the Washington Mathematics, Engineering, Science Achievement (MESA) Program.
With over two decades of experience in higher education, particularly in program design, implementation, and evaluation, Sezi’s journey has been shaped by a deep commitment to expanding education access for underserved and under-resourced communities. By focusing on STEM education and social justice, Sezi strives to create a more inclusive and equitable educational landscape. Sezi continues to advocate for educational opportunities for BIPOC students and remains dedicated to driving positive change and empowering individuals to reach their full potential.
Makayla Gay

Program Coordinator
Originally from Southeastern Kentucky, Makayla holds a BA in Philosophy, a BFA in Creative Writing, and a minor in Marketing from Converse College in South Carolina. After her VISTA service, she moved to New York to earn her MFA in poetry from Sarah Lawrence College. Her dedication to education has led her around the globe, including teaching in the Czech Republic, organizing community arts programs in Iceland, and teaching poetry and comic-making in Western Washington. She’s thrilled to be back at Washington MESA.
Jenny Lawson

Alumni Manager
Jenny Lawson serves as WA MESA’s first Alumni Manager, working to strengthen connections, celebrate alumni journeys, and support them throughout their careers. Lawson looks forward to hearing how MESA has shaped alumni paths and working with them to bring their vision for a more connected WA MESA community to life.