Our Board
Cece Gerdenich – Board Chair, Community Volunteer
Sonia Santana Richardson – Assistant Chair, Planned Parenthood Federation of America
Randolph Russell – Treasurer, Retired Professor
Jessica Harlan-York – Secretary Indiana Family Social Services Administration
Lara Dreyer – State of Indiana
Janet Casey Allen – Chaplain, IRCC Disciples
MeChelle Callen – Independent HR Consultant
Yvette Dupree – Optimal Dialysis
Paula Earley – Old National Bank
Leah Gunning Francis – Indiana University Health
Yoon Lee – Indianapolis Airport Authority
Toby Miller – Peelian Community Solutions
Justin Sorrell – Riley Bennett Egloff Law
Erin Tanner – Central Indiana Community Foundation
Pooja Thakkar – Data Governance Analyst
Steve Tilden – Indiana Civil Rights Commission Retired
Deondra Wardelle – On to the Next One Consulting
Our Leadership
Tim Nation
Chief Executive Officer & Co-Founder
Tim Nation is the Chief Executive Officer and Cofounder of Peace Learning Center. With a Bachelor of Arts from Indiana State University, Tim is driven by the belief that everyone can be a peacemaker, regardless of age or background. Under his leadership, Peace Learning Center focuses on teaching youth and adults alike the skills needed to resolve conflicts and build healthy relationships.
Sally Dickson
Chief Advancement Officer
Sally Dickson is the Chief Advancement Officer at Peace Learning Center. With experience in both state and nonprofit grantmaking, including roles at the Eiteljorg Museum and the State of Indiana, she brings deep expertise to major grants management. Through years of working in and alongside marketing and development teams, she now leads both areas at PLC.
Anita Jackson
Director of C.A.R.E
Anita Jackson is the Director of C.A.R.E. at Peace Learning Center. With an MPA from Indianapolis University-Indianapolis, Anita first connected with PLC’s mission while working as a classroom teacher, where she admired the focus on empowering children to resolve conflicts. Anita is dedicated to building a world where differences are celebrated and honored, fostering a stronger, united community.
Jay Horan
Director of Client & Partner Services
Joe Gunn
Director of Development
Joe Gunn is the Director of Development at Peace Learning Center. With a Master’s in Nonprofit Management from IU Indianapolis (IUPUI), Joe was drawn to PLC for its commitment to peace— a value he deeply shares. Now, Joe is proud to be part of a team dedicated to creating real, lasting change through education and community engagement.
Emily Tribbett
Director of Peace Learning Circles
Emily Tribbett is the Director of Peace Learning Circles at Peace Learning Center. With a B.S. from Indiana University and an M.A. in Educational Technology from Michigan State University, Emily left her classroom teaching role to continue her commitment to making a positive impact. After relocating from Chicago to Indianapolis, she began working to empower youth to use their voices for peace.
Rebecca Marsh
Director of Wellness
Rebecca Marsh is the Director of Wellness at Peace Learning Center. With a BS in Marketing from Indiana University’s Kelley School of Business and an MSEd in Instructional Systems Technology from the IU School of Education (expected in May 2025), Rebecca has long admired PLC’s mission of promoting peace education. Driven by her belief in the transformative power of mindfulness and self-awareness, she is passionate about fostering healing and fairness to help individuals achieve true fulfillment and self-actualization.
Clare Wildhack-Nolan
Director of Belonging
Clare Wildhack-Nolan, Director of Belonging at Peace Learning Center, brings a deep commitment to education, community, and holistic learning. With an MAT from National Louis University, Clare believes in empowering people as creative problem solvers who challenge themselves and societal structures to foster a better world.
Liz Guadiana
Director of Restorative Learning
Our Support Staff
L. Addison Bradford
Learning & Data Analysis Specialist
L. Addison Bradford is the Learning & Data Analysis Specialist at Peace Learning Center. With a Master’s degree and academic experience from Grinnell College, DePaul University, and Indiana University, Addison transitioned from academia to PLC to make a direct impact on people’s daily lives.
Mame Keita
Facilitator - Peer Mediation Specialist
Mame Keita is a Facilitator-Peer Mediation Specialist at Peace Learning Center. With a Master’s degree from McKinney School of Law, Mame is deeply inspired by PLC’s mission to spread peace. She believes that fostering connections and relationships is key to creating a more understanding world. Passionate about education, Mame is driven by the belief that it is the most powerful tool for change, aligning with Nelson Mandela’s words: “Education is the most powerful weapon you can use to change the world.”
Heidi Fledderjohn
Facilitator - Retreat Specialist
Heidi Fledderjohn is a Facilitator-Retreat Specialist at Peace Learning Center with a BA in Psychology from Miami of Ohio and an MA in Dance/Movement Therapy from Goucher College. Drawn to PLC’s legacy of fostering trust, belonging, and change, Heidi believes in the transformative power of community. She is passionate about creating spaces where all voices are valued and challenging conversations lead to nurturing possibility and peace. Heidi is dedicated to empowering others to fearlessly be themselves.
Macy Cansdale
Facilitator - Camp Specialist
Macy Cansdale, a Facilitator-Camp Specialist at Peace Learning Center, holds a Bachelor of Science in Youth and Community Development from Butler University. Passionate about promoting peace, Macy began her journey with PLC during her senior year internship, drawn to their intersectional approach to fostering peace and belonging in schools. She believes that by nurturing today’s youth they will lead their lives with love and empathy.