Regional Team

Natalie Wiltshire

Chief Executive Officer

Natalie Wiltshire assumed the role of CEO in July 2023. Natalie started her career at KIPP Philadelphia Public Schools (KPPS) as the Managing Director of Operations before serving as Chief Operating Officer. Prior to joining KPPS, Natalie was the Director of New York Operations for Achievement First, overseeing school operations for seven academies in Brooklyn, NY. Before joining Achievement First’s central management team, she served as the founding Director of School Operations for Achievement First Crown Heights Charter School. Natalie earned her BA in Sociology from the University of Pennsylvania and her MA in Organizational Psychology from Teachers College, Columbia University. Natalie and her husband, Larry, have two sons, Hayden and Mason.

Corey D. Williams

Chief Schools Officer

As Chief Schools Officer, Corey is responsible for advancing instructional excellence, developing strong leaders, and building equitable systems that meet the diverse needs of all students.

Corey is a seasoned educational leader and consultant with over 25 years of experience in public education. Corey’s guiding belief is simple yet powerful: every child deserves a champion. His leadership is grounded in a vision of schools where high expectations, inclusive culture, strong instruction, and responsive leadership create environments where all students are seen, valued, and empowered.

Corey started his career as a special education teacher at Frayser High School and went on to serve as Assistant Principal at Ridgeway High, turnaround principal at Chickasaw Middle, and head of schools at Ridgeway Middle—home to West Tennessee’s only IB Middle Years Programme. His leadership helped drive school transformation through culturally responsive, student-centered systems. As Instructional Leadership Director for Memphis-Shelby County Schools, Corey supported more than 7,000 students across middle and high schools, improving academic achievement, graduation rates, and ACT outcomes. He also played a key role in the district’s pandemic response and return to in-person learning. Corey later served as a consultant with Bailey Education Group and founded Joseph Cameron Leadership Group LLC, a firm dedicated to equity-driven leadership development and district transformation.

A proud HBCU graduate, Corey holds degrees from Jackson State and Christian Brothers University and is pursuing his doctorate at Trevecca Nazarene University. He is a former president of the Tennessee Principals Association, a Leadership Memphis alumnus, and a founding member of the Men of Color in Educational Leadership cohort.

Rob Vieira

Chief Operating Officer

As Chief Operating Officer, Rob Vieira is responsible for design, implementation and efficiency improvements for all areas of operations for KIPP Philadelphia Public Schools. Prior to KIPP, Rob served as the Managing Director of People and Operations at City Year Philadelphia, where he oversaw the department focused on aligning organizational human, financial, and physical capital to develop staff and AmeriCorps members. Rob independently financed his college education, earning an MA in Mathematics/Statistics from the University of Connecticut, an MBA from the UCLA Anderson School of Management, and an MPA from the Harvard Kennedy School of Government. He and his wife reside in West Philadelphia.

Libing Li

Chief Financial Officer

As Chief Financial Officer, Libing Li oversees the finance and accounting functions and executes the strategic financial vision for KIPP Philadelphia Public Schools. She has over 20 years of accounting, finance, and auditing experience. Immediately before joining KIPP Philadelphia, Libing served as Controller at WHYY -- NPR and PBS member station in the tri-state area. Having begun her career at Arthur Andersen, Libing held key accounting roles within the insurance group, Prudential. She led the Finance Department of HSBC Bank’s Service Center, covering all major support functions, and managed compliance examinations for multiple States. A Certified Public Accountant (CPA), Libing received her B.A. in International Business from Sun Yat-Sen University and M.S. in Accounting from University of Massachusetts - Amherst. She also holds the designation of Chartered Professional Accountant (CPA Canada). Outside work, she enjoys gardening and traveling with her husband and two kids.

Chatara Benson

Chief of Staff

As Chief of Staff, Chatara leads our advocacy efforts, manages our marketing & communications team, serves as the staff liaison to the Board of Trustees, and facilitates strategic and annual plan implementation. Chatara has been with KPPS for seven years serving as the Director of Development then as the Managing Director of Development and Engagement. Prior to joining KPPS, Chatara served as the Director of Operations at an educational advocacy start-up nonprofit. Prior to that, Chatara worked at Philadelphia School Partnership (now Elevate215) as a part of the school investment team. Chatara started her career in the financial services industry, where she spent nearly seven years in various roles, primarily in asset management. Chatara has resided in Philadelphia for nearly fifteen years by way of New Jersey. Chatara earned her Bachelor of Business Administration from The George Washington University’s School of Business, a Master’s in Nonprofit Leadership from the University of Pennsylvania’s School of Social Policy and Practice, and a Master's in Public Education Management from The Broad Center at Yale School of Management. Outside of work, Chatara enjoys trying new restaurants and spending time with family and friends.