Our Team

Tyler Burrell is the Vice President of Operations & People at RedefinED Atlanta, where she leads cross-functional workstreams to align day-to-day operations with long-term strategy. She shapes and executes an operational vision that reflects the organization’s mission and values, fostering a workplace that is people-centered and purpose-driven. Her approach integrates thoughtful planning, data-informed decision-making, and systems-level thinking to empower the team to work with clarity and confidence in pursuit of educational equity and community impact. Prior, Tyler worked in nonprofit event planning, helping mission-driven organizations amplify their reach through strategic fundraising and event management. She later transitioned into the education sector, beginning her journey in school-based operations and eventually serving as Director of School Operations at Achievement First East Brooklyn High School. She brings a deep commitment to equity, a passion for operational excellence, and a proven track record of building strong teams and adaptable systems that center the needs and experiences of students, staff, and families.

Emily Castillo León is the Vice President of Schools and Talent at RedefinED Atlanta, where she leads the organization’s strategy to grow and strengthen high-quality public school options across Metro Atlanta. In this role, she drives the launch and expansion of new schools, supports school and district leaders in achieving strong outcomes, and aligns investments to ensure strong ecosystem conditions to advance trajectory-changing outcomes for students. Her work centers on fostering collaboration, building capacity, and aligning resources to ensure all students—particularly those in historically underserved communities—have access to excellent education. Before joining RedefinED Atlanta, Emily founded and led Ethos Classical as its inaugural Head of School, growing it from concept to a thriving K-8 charter school serving over 800 scholars in southwest Atlanta. She previously led high-performing teams at KIPP Nashville Collegiate High School, where students achieved record-breaking assessment results, and began her career as a high school English teacher in North Carolina through Teach For America.

Hans Grohs is the Director of Schools and Talent at RedefinED Atlanta, where he supports school and talent strategic initiatives by aligning investments, values, and community voice. His work is grounded in a commitment to educational innovation and equity across systems. Hans began his career as a bilingual teacher in Houston through Teach For America, which launched his passion for rethinking education through policy, business, and practice. He later worked as an Associate Consultant at Public Impact, helping districts redesign school models to maximize student outcomes. He has also held summer fellowships with Education Pioneers and NC IDEA, where he supported K-12 leadership evaluation and early-stage entrepreneurship, and served as a non-voting board member with Communities In Schools of Durham. 

Dr. Lawrence Harris serves as Executive Fellow for DC360, a place-based initiative working to improve outcomes for families and students in Atlanta’s historic Douglass Cluster. His leadership is helping to drive systemic change at the intersection of education, policy, and community empowerment. Previously, Dr. Harris was Chief Impact Officer for KIPP Atlanta Schools, leading fundraising, advocacy, family engagement, and strategic partnerships to expand opportunities for thousands of students. He also served as Chief of Community Engagement and Strategy for the Clarke County School District and as CEO of the Athens Community Career Academy, where he tripled enrollment and built college and career pathways for high school students. A recognized changemaker, Dr. Harris has been honored as a UGA “40 Under 40” and one of Athens’ inaugural “Community Gamechangers.”

Aaché Harrison is the Associate Director of Advancement at RedefinED Atlanta, where she cultivates a strong pipeline of education champions to activate around the organization’s mission to drive equity, remove systemic barriers, and expand access to high-quality public school options. Aaché brings a deep commitment to social impact and a strategic, human-centered approach to engagement. Known for her ability to manage complex projects with precision and creativity, she has spent her career advancing initiatives that support historically marginalized communities and create lasting change.

Nina Lyons is the Executive Assistant at RedefinED Atlanta, where she serves as the primary administrative partner to the Executive Director, ensuring seamless coordination and alignment across the organization. She strengthens internal workflows and communication, acting as a catalyst for the team’s success so leaders can focus on driving meaningful change for students in the community.

With over a decade of experience in executive support and operations, Nina has led cross-functional projects, managed complex logistics, and built systems that enhance clarity and decision-making. She is driven by a commitment to exceptional service, elevating team effectiveness and culture through a solutions-oriented, people-centered approach.

Dariun Maxwell is the Program and Operations Manager at RedefinED Atlanta, where he supports program coordination and internal operations to ensure the organization runs efficiently. His work helps clear the way for the RedefinED’s relentless pursuit of high-quality schools and opportunities. He began his career as a middle school special education teacher in Williamson County Schools in Tennessee, and later served in the same role within Marietta City Schools. Before joining RedefinED Atlanta, he worked as an estimator for DH Pace Company, gaining experience in managing logistics and project details.

Norledia Moody is the Associate Vice President of Community at RedefinED Atlanta, where she leads the organization’s community engagement and organizing strategy with a focus on outcomes, equity, and mission alignment. She began her career as an elementary school educator in Atlanta Public Schools through Teach For America. Since then, she has held leadership roles at The CAFE Group, Teach For America, and OneGoal-Metro Atlanta, where she advanced equity and leadership development. Known for her ability to bridge strategy and empathy, Norledia embodies a commitment to equity and has an ability to mobilize stakeholders across sectors to drive sustainable impact.

Sundiata Salaam-Bey is the Associate Vice President of Innovative Schools at RedefinED Atlanta, where he partners with school leaders to strengthen educational outcomes, develop strong leadership, and advance organizational excellence. Grounded in the belief that transforming institutions begins with transforming people, Sundiata brings a human-centered approach to developing leaders and building sustainable organizations. Prior to joining RedefinED Atlanta, he served in a range of educational leadership roles, including middle school teacher, founding Dean of Students, Head of School, Chief Schools Officer, and Chief People Officer at Freedom Prep. Most recently, he served as Senior Director of Leadership Development at BES, where he coached school leaders across the country and designed leadership experiences supporting the launch and long-term success of innovative schools. Sundiata is also the founder of Ubuntu Leaders Institute, a leadership development organization focused on transforming institutions through the development of people.

Angira Sceusi is the Executive Director of RedefinED Atlanta, where she leads the organization’s mission to ensure every student in Metro Atlanta has access to a high-quality public education—no matter where they live or learn. In this role, she sets the strategic vision, oversees partnerships and grantmaking, and drives initiatives that strengthen public schools, develop exceptional school-level talent, and support transformational leadership. Her work focuses on advancing scalable solutions and policy shifts that dismantle systemic barriers to student success. Before joining RedefinED Atlanta as a founding staff member, Angira served as Director of Finance and Director of Talent Initiatives at YES Prep Public Schools in Houston. She was previously a high school math and computer science teacher in the Houston Independent School District, where she earned a United States Congressional Recognition for her contributions to STEM education. Angira began her career as a financial analyst at Morgan Stanley.

Tiffany Scott is the Associate Vice President of Development at RedefinED Atlanta, where she leads fundraising strategies and donor engagement efforts that drive collective investment in educational innovation and equity. She brings over a decade of experience in philanthropy and fund development, with a strong commitment to creating lasting impact in the Metro Atlanta community. Prior, Tiffany served as the founding Senior Director of Development at OneGoal-Metro Atlanta, where she helped drive revenue growth in a new market. Her background also includes roles as a planning analyst at ANN Taylor INC and Ross Stores, followed by a transition into the nonprofit sector as Manager of Donor Cultivation at City of Refuge. Across roles, she has remained passionate about building relationships that amplify community causes and maximize collective impact.

Aarti Sharma is the Vice President of Policy and Advocacy at RedefinED Atlanta, where she works to create equitable systems-level change supporting quality school options for all students by fostering deep collaboration between partners. In her role, Aarti oversees the community and policy grant portfolios. She brings deep expertise in education policy and law, leveraging that knowledge to advance charter school development and public education innovation across Georgia. Before joining RedefinED Atlanta, she served as an executive director and a leader on political campaigns. She also served as the Vice President of New School Development at the Georgia Charter Schools Association, where she led the state’s only charter school incubator program. She previously directed the District Flexibility and Charter Schools Division at the Georgia Department of Education, supporting more than 100 charter schools statewide. She started her career as a teacher and juvenile public defender.

A native Atlantan, Anna Sherrill joins RedefinED Atlanta as the AVP of Marketing & Communications with over 20 years of experience in marketing & advertising. Most recently, she worked at Tombras, Ad Age Agency of the Year in 2025. In prior roles, Anna led paid media investment for brands in a broad cross-section of categories including retail, financial services, non-profit, and healthcare. Her experience includes integrating marketing and business metrics to drive data-driven, strategic plans, as well as working hard to measure and multiply the impact of every dollar invested on behalf of clients. 

As a graduate of the Atlanta Public Schools system, and a parent of two students in DeKalb County Schools, the work of RedefinED Atlanta is near and dear to her heart.

Mary-Kate Starkel is the Vice President & Chief of Staff at RedefinED Atlanta, where she leads advancement work and drives cross-functional coordination, internal strategy, and organizational alignment to ensure the RedefinED operates with efficiency and focus. She brings 20 years of experience in nonprofit program management and resource development. Prior to RedefinED, she served as Associate Director at Horizons Atlanta, a summer learning program serving more than 1,000 students across the region. Her career has consistently focused on supporting educational and youth-serving organizations in the Atlanta area.

Bri’el Thompson is the Program Coordinator at RedefinED Atlanta, where she supports the planning, coordination, and execution of programs and initiatives that advance equitable access to high-quality public education across Metro Atlanta. In her role, she manages program operations, event logistics, stakeholder coordination, and cross-functional collaboration to help ensure initiatives run smoothly and align with organizational goals. She is passionate about building systems and relationships that center community and drive meaningful impact. Prior to joining RedefinED Atlanta, she supported marketing, event logistics, and community activations in both staff and freelance capacities, overseeing vendor relationships, communications, and on-the-ground execution for a range of initiatives. She has also served in volunteer leadership with the Junior League of Atlanta, leading community placement and program coordination efforts in partnership with the Girl Scouts of Greater Atlanta.

Trea is the Operations Coordinator at RedefinED Atlanta, where she leads initiatives that connect families, schools, and communities to drive meaningful transformation. She began her journey in educational equity with Teach For America in Miami-Dade, where she taught and led with purpose. After relocating to Atlanta, she continued this work at KIPP Strive Academy, building her expertise in student advocacy and systems-level change. Most recently, she served at Inspiredu, helping families across Georgia gain digital literacy skills and access to refurbished technology. Her work is grounded in a deep commitment to access, advocacy, and amplifying underrepresented voices.