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Our Team

Yoni Samuel-Siegel, Associate Chief Operating Officer – Camden Prep
Yoni Samuel-Siegel joined the Camden Prep family in June 2016 and serves as its Associate Chief Operating Officer.  In this role he supports all non-instructional aspects of Camden Prep’s work for the scholars and community of Camden Prep.  Prior to coming to Camden Prep, Mr. Samuel-Siegel served as the Managing Director of Program for Citizen Schools, Texas, where he led programming for an Expanded Learning Time partner serving middle schools in Houston, Texas.  Through his work at Citizen Schools Mr. Samuel-Siegel launched programming at three new school sites, offering apprenticeships for middle school students to gain experience in fields such as robotics, computer programming, accounting, and medical arts.  Prior to this experience he also spent ten years as a Middle School Teacher of Language Arts and Basketball Coach.  Mr. Samuel-Siegel holds a B.S. in Administration of Justice from Rutgers University and an M.Ed in Educational Leadership. 

Natalie Cooper, Principal – Mt. Ephraim Elementary School
Natalie Cooper joined the Camden Prep family in 2014 as the founding Principal at Camden Prep. Since then, she has seen the Mount Ephraim campus expand from 65 kindergarten scholars to over 500 scholars in grades K-6. Prior to joining our team, she served as a teacher, instructional coach and then Principal in East Harlem, New York, where she began her career as a Teach for America corps member. Natalie earned her B.A. in Philosophy, Politics and Economics from the University of Pennsylvania, a M.Ed. in Childhood Education from Teacher U/Hunter College, and a M.Ed. in Educational Leadership from Relay Graduate School of Education.

Mary Kate Miller, Director Operations – Mt. Ephraim Elementary School
This will be Mary Kate’s 3rd year with Uncommon Schools. Mary Kate began as a part of North Star’s School Support Team, overseeing network wide initiatives before becoming a co-leader at Mt. Ephraim Elementary School! Prior to joining Camden Prep, Mary Kate taught for four years in Philadelphia.

Jess King, Principal – Mt. Ephraim Middle School
Jess King joined the Camden Prep team in 2015 as a founding 4th grade teacher. She looped up with our founding cohort of students as a 5th grade teacher in 2016 and again as an Instructional Fellow in 2017. She now serves as the Principal of Mt. Ephraim Middle School. Directly prior to joining the Camden Prep team, Jess served as Director of Community School Student Partnerships (CSSP), an educational outreach program run by the University of Pennsylvania’s Netter Center for Community Partnerships. In her tenure at CSSP, Jess managed educational programs across West Philadelphia schools including the launch of a literacy program that targeted career readiness for high school students. Jess holds a B.A. in Civic Communication from the University of Pennsylvania and an M.A.T. from the Relay Graduate School of Education. She originally hails from Florida but loves living in the northeast and experiencing all four seasons (even the snow)!

Hannah Holliday, Director of Operations – Mt. Ephraim Middle School

Laura Fern, Principal – Copewood Elementary School
Laura Fern joined Uncommon Schools in 2008 as a TFA Newark Corps Member at North Star Academy’s founding elementary school, Vailsburg Elementary.  After 4 years as the Instructional Leader of the 1st Grade Team, Laura took on the role of Dean of Curriculum and Instruction for North Star’s Fairmount Elementary School until 2014.  Upon hearing about Uncommon expanding to Camden, Laura saw an opportunity to bring her experience in Newark’s top performing elementary schools to the city.  She joined Camden Prep in 2015 as an Instructional Fellow and Dean of Curriculum and Instruction until 2017 when she founded Camden’s second elementary school, Copewood Elementary.  She has earned a B.A. in Elementary and Early Childhood Education from Elizabethtown College (2008), a M.Ed. of Arts in Teaching from The Relay Graduate School of Education (2014) and a M.Ed. in Educational Administration from The Relay Graduate School of Education (2017). 

Sunita Yadavalli, Director of Operations – Copewood Elementary School
Sunita Yadavalli joined the Camden Prep family in July 2016 as an Operations Fellow at Mt. Ephraim Elementary School. Sunita currently and serves as a founding Director of Operations at Copewood Elementary School. In this role, Sunita focuses on all aspects of school operations to maximize instructional time. Prior to joining staff, Sunita taught for three years at Mastery Charter Schools in Philadelphia as a First and Second Grade teacher. After leaving the classroom, Sunita joined Teach For America as an Operations Specialist for Managers in Teacher Leadership Development. Sunita Yadavalli holds a B.A. in International Studies and Political Science from The College of New Jersey, and a M.S. Ed. in Education from the University of Pennsylvania.