Meet Our Leadership Team

Meredith Mehra, Deputy Chief

Meredith currently serves as the Deputy Chief, in the Office of Teaching and Learning.  A Teach For America corps member, Meredith began her teaching career with the School District of Philadelphia as a middle school and high school math teacher.  After teaching four years at FitzSimons High School, Meredith joined KIPP Philadelphia Schools as a Miles Family Fellow.  While at KIPP, Meredith taught 8th grade math, was the Assistant Principal and then the School Leader.  Since rejoining the District, she has focused her work on the development of teachers across the District through professional learning opportunities and coaching.  Meredith earned her Bachelor of Arts in Psychology from the University of Richmond and Masters in Education from the University of Pennsylvania.  As a Philadelphia native, Meredith is excited to work alongside educators who are committed to providing equal access to opportunities for all children throughout the city.


Marjani Merritt, Director of Teacher Coaches

Marjani currently serves as a Director of Teacher Coaches, in the Office of Teaching and Learning.  A Philadelphia Teaching Fellow, Marjani began her teaching career with the School District of Philadelphia as a middle school social studies teacher at The Young Women’s Leadership Academy at Rhodes High School.  After teaching for eight years within the District, Marjani joined Mastery Charter Schools as an Apprentice School Leader and then an Assistant Principal of Instruction.  Since rejoining the District, she has been committed to developing and supporting academic coaches as well as teachers throughout the District.  Marjani earned her Bachelor of Arts in Political Science from Temple University and Masters in Education from Arcadia University.  As a product of the Philadelphia public school system, Marjani is dedicated to giving back what was given to her and that is an opportunity to make a difference.


Daria Silvestro, Director of Teacher Coaches

Daria currently serves as a Director of Teacher Coaches in the Office of Teaching and Learning. A graduate of The College of New Jersey, Daria began her career teaching high school English in the inclusion setting. Passionate about teacher development, Daria became a teacher coach with the Teach For America program in Hawaii and went on to manage a team of coaches, overseeing teacher development and certification for the TFA Hawaii region. After returning to the East Coast, Daria continued her work with teachers by designing professional and leadership development programming for veteran teachers in Philadelphia. Daria earned her Bachelors in English and Secondary Education at TCNJ and her Masters in Education from Rutgers University in Adult and Continuing Education. She is a proud graduate of public schools and feels privileged to contribute to the Philadelphia public school system by ensuring high-quality instruction for all students.


Dr. Amy Summa, Director of Teacher Leadership

Dr. Amy Summa currently serves the District in advancing teacher leadership by ensuring that teacher leaders have opportunities to develop and refine leadership mindsets, skills, and competencies.  Prior to assuming this role, Amy served the School District of Philadelphia as both a consulting teacher and classroom teacher; the Coatesville Area School District as an intermediate teacher and in various leadership capacities;  and the Unionville-Chadsford School District as a high-school girls’ basketball coach.  Amy has also worked closely between the Chester County Intermediate Unit and Goddard Space Flight Center to raise student achievement in math and science.  Amy is a graduate of Kutztown University of Pennsylvania where she earned a B.A. in Elementary Education with a concentration in mathematics, and Philadelphia College of Osteopathic Medicine earning a masters degree in School Psychology.  Amy most recently completed her doctorate at Drexel University in educational leadership.  Her research focused on creating inclusive school cultures and environments entitled “Exploring Supportive Educational Experiences of Transgender and Gender-Nonconforming Students from an Adult Perspective: A Reflective Phenomenology.”   Additionally, Amy currently sits on the Board of Directors for the Mazzoni Center, a local organization dedicated to the health and wellness of the LGBTQ community.  As a Philadelphian (Go Eagles!), Amy feels privileged to serve the teachers, students, and community in which she lives.


Tamiko Ward, Senior Project Manager

Tamiko Ward currently serves as the Senior Project Manager, in the Office of Teaching and Learning.   In this role, Tamiko is responsible for overseeing all components of large-scale teacher effectiveness projects and initiatives from inception to implementation, including contract administration, grants compliance, and budget oversight. Tamiko has been with The School District of Philadelphia since 2011.  Prior to the working at the School District of Philadelphia, she worked in the non-profit sector for 5 years in a divisional leadership role and in the corporate sector for 11 years. Tamiko’s areas of expertise are strategic planning, project management, database management, financial management, contract management, and team leadership & development. Tamiko is proud to have received her education in Philadelphia Public Schools and earned a Bachelor of Science Degree from Delaware Valley University and a Master of Education from Temple University. Additionally, she is a member of Project Management Institute and 2016 graduate of Urban League of Philadelphia Urban Leadership Forum. Tamiko has been a youth basketball coach for 20+ years, with emphasis of enhancing leadership, sportsmanship, and fair play skills on and off the court.


Katie Walsh, Director of Professional Development

Katie Walsh currently serves as the Director of Professional Development & Programming in the Office of Teaching & Learning. Prior to assuming this role, Katie served the School District of Philadelphia as both a Professional Learning Specialist, Reading Curriculum Coordinator, and Teacher  after completing a B.S. in Education from Temple University. Katie also earned an Ed.M. in Education from Cabrini College and an Ed. M. in School Leadership from The University of Pennsylvania. She is a proud Philadelphia native and a graduate of Little Flower Catholic High School for Girls.  Katie is committed to the continuous growth of all District teachers through ongoing professional development and coaching to ensure that students have access to an excellent public education.


Kobi Trawick, Program Coordinator

Kobi Trawick serves as the Program Coordinator in the Office of Teaching and Learning. Kobi received her Bachelors of Science in Criminal Justice at Penn State University and Masters of Science in Criminal Justice at Saint Joseph’s University.  Kobi is a co-founder of Mentes Hermosas (Beautiful Minds) that provides African American and Latino mothers with resources to help their children with Autism and ADHD in the Philadelphia area.  Kobi is excited to assist the Office of Teaching and Learning through various initiatives which focus on advancing our student achievement.