Dr. Jon Marsh comes to Esperanza with over 18 years of charter school leadership experience. He served eleven of those years as Chief Executive Officer of the highest performing cyber school in the Commonwealth. Dr. Marsh has been part of the national charter school movement in Minnesota since its inception in 1994 and opened his first charter school in 1997. He testified numerous times on behalf of all charter and cyber schools in Pennsylvania to both the PA House and Senate, as well as the PA Auditor General.

Dr. Marsh earned his BAS from the University of Minnesota – Duluth in elementary education. He received his Master’s and Doctorate of Education in Educational Leadership & Management from Drexel University. His dissertation was a five-year study of first-year non-persistence in an online charter school. Dr. Jon Marsh is married to Dr. Rose Marsh, a biology teacher, and they have two adult children and three grandchildren. In their spare time, Jon and Rose are converting a 220-year-old public library into their home.

Ivan Estevez serves as the Chief Academic Officer for Esperanza Cyber Charter School, where he leads curriculum, instruction, assessment, and academic systems across the K to 12 program. He works closely with school leaders and instructional teams to ensure engaging, high quality learning experiences while strengthening the systems that support teachers and families.

With over a decade of experience in K to 12 education, Ivan has served as a classroom teacher, instructional coach, school principal, and district leader. Prior to his current role, he was a K to 8 Principal at Esperanza Cyber Charter School and a Principal at Deep Roots Charter School. His work centers on building strong instructional practices, using data to drive decisions, and thoughtfully integrating technology to support student success.

Ivan earned his Bachelor’s degree from Florida State University and his Master’s degree in Educational Leadership from Nova Southeastern University. He is currently pursuing a Doctor of Education at West Chester University, where his research focuses on artificial intelligence and K to 12 school systems.

Outside of work, Ivan lives in Philadelphia and enjoys exploring the city’s food scene, working on home projects, hiking with his dogs, and volunteering with local nonprofit organizations.

Jasmina Campos-Rivera is the Executive Director of Operations at Esperanza Cyber, where she has served the organization for over 10 years, having joined Esperanza in 2016. Over the years, she has held various roles, gaining experience across multiple areas of the school’s operations. She is a member of the school’s executive leadership team and oversees all non-instructional operations, ensuring the systems and structures are in place to support students, families, and staff.

Her areas of oversight include facilities, enrollment, attendance, orientation, family and student engagement, IT, and charter compliance. Jasmina is recognized for her straightforward and solution-oriented approach to leadership.

As a former parent of a cyber school student who successfully graduated, Jasmina has experienced firsthand the empowerment that virtual education can provide. That experience, and the positive impact it had on her daughter, is what drives her commitment to ensuring that families at Esperanza Cyber Charter School (ECCS) receive the same opportunities for support, growth, and success.

Jennifer Nazario Lopez is the Principal for grades k-8 here at ECCS.

Maryelis Santiago joined Esperanza Cyber Charter School in 2018 as a Director of Student Development. She is currently the Director of Community and Family Engagement. She has collective volunteer and work experience in local government, the non-profit sector and procurement practices. For over ten years, she has worked with organizations that thrive in providing supportive services for the community, handling data directly for funders and assisting in the development of services and programs for all Philadelphians.

Maryelis received her B.S. and Master’s of Science in Organizational Leadership and Management from Peirce College. She is a community leader, youth advocate and an alumnus of the Philadelphia Latino Leadership Institute.

Daniel Schroeder joined Esperanza Cyber in 2016 as a secondary science teacher and spent his first two years with ECCS in the virtual classroom. In 2018, Daniel joined the Technology Department as the Educational Technology Coordinator. He holds bachelor’s degrees in Biological Sciences and Spanish from the University of Delaware, where he worked in the Technology Department for 4 years as an undergrad. Daniel volunteers in the children’s ministry at Seven Mile Road Church, where he attends with his wife and 3 young kids and plays any sport he can in his free time.

Dr. Sheila Gonzalez serves as the Principal of Co-Teaching here at ECCS.

Ms. Sheileemarie Carrion is a bilingual Social Worker with 14 years of experience serving children and families in school-based, community, and hospital settings. She is skilled in assessment, crisis intervention, facilitation of support groups, and parenting education. Ms. Carrion has extensive experience in community outreach and building strong partnerships with agencies to support student success, with a strong focus on advocacy and culturally responsive services. She is passionate about supporting families from diverse cultural and racial backgrounds, as well as addressing social, emotional, and academic barriers to learning.

Ms. Carrion earned her Bachelor of Social Work from La Salle University and her Master of Social Work from Widener University. She completed numerous internships across Philadelphia-based organizations, strengthening her skill set and deepening her commitment to serving the Philadelphia community.

In her free time, she enjoys spending time with her daughters and salsa dancing, a passion deeply rooted in her Puerto Rican culture.

Jeffrey Williams brings over three decades of experience in teaching, educational leadership, clinical counseling, and student support to his role as Director of Special Education. Throughout his career, Jeffrey has demonstrated a strong commitment to transforming school cultures, fostering inclusive environments, and empowering both students and educators to reach their full potential.

Jeffrey’s leadership journey spans multiple charter schools and school districts serving all grades K-12, where he has spearheaded innovative curriculum development, championed staff professional growth, and cultivated supportive, achievement-driven school communities. As an education consultant and founder of Yonatan Educational Services, LLC, established in remembrance of his late brother, who was differently abled, Jeffrey has supported schools, families, and students with personalized guidance, restorative practices, and mental health advocacy. 

Jeffrey holds a Bachelor of Science in Education from Temple University, a Master of Arts in Community & Clinical Counseling from Eastern University, and an Educational Administration certification from Cheyney University of Pennsylvania. 

Outside of his professional life, Jeffrey is the proud father of two adult sons. Together, they are passionate Philadelphia sports fans and enjoy traveling to other cities to cheer on their teams.

Kathryn Wilson is an experienced educator and school leader with over 20 years of service in Pennsylvania schools. As an MTSS Coordinator, she specializes in building support systems that help students reach their academic potential through data-informed instruction and specialized literacy programs.

In February 2025, Kathryn earned her Principal Pk-12 Administrative I certification, expanding her leadership role within the school community. Her background as a Reading Specialist and Title 1 educator includes leading initiatives that resulted in an increase in state assessment proficiency. Kathryn is also a frequent contributor to the professional education community, having presented her work on structured writing and school improvement at the PDE Data Summit.

Outside of the office, Kathryn’s leadership skills are truly put to the test. She is the mother and stepmother to a “Brady Bunch” of six children—all of whom are currently navigating their way through college. With the house a little quieter now that they’ve headed to campus, she shares her home with an incredibly active Australian Shepherd and a collection of cats who are the real administrators of the household. Whether she is managing a data meeting or the logistics of six college schedules, Kathryn relies on a healthy sense of humor and the belief that a supportive, patient environment is the key to helping every “kid” succeed.