Nicole Stabnikov is the Employee Benefit Sales Specialist at 4Schoolers. She holds a Bachelor of Science in International Management, with minors in academics and finance. Nicole has tutored students and advised families on private-school applications since 2014. She coordinates schedules and payments among clients, service providers, and the 4Schoolers office, helping ensure that each family receives organized and responsive support.

Pierrepont “PJ” Johnson III is Vice President of Business Development at 4Schoolers, where he develops strategic partnerships and supports international growth. He completed graduate study in Fordham University’s International Political Economy and Development program, concentrating in international development. A former economics and trade fellow with Young Professionals in Foreign Policy, PJ has published commentary on global development, inequality, and humanitarian issues in Fair Observer.

Alexander Lukyanov is a scientist, educator, and Vice President of AI, Life Science R&D at Quantori. He earned his Ph.D. from Delft University of Technology, where his research focused on numerical methods for multiphysics and multiscale problems. With more than 25 years of experience in applied mathematics, scientific computing, and artificial intelligence, Alexander teaches physics and mathematics and brings real-world research into student learning.

Leah Prizant is an MIT graduate with a Bachelor of Science in Biological Engineering. Her experience includes biomedical research at MIT’s Koch Institute for Integrative Cancer Research and clinical research at NYU Langone Health’s Division of Hand Surgery. She has also mentored high school students through the HMS MEDscience TECH Moonshot program, helping them explore biomedical engineering, medicine, and clinical AI. Leah brings strong research and student-mentoring experience to 4Schoolers.

Daniyar Aubekerov is a software engineering leader, entrepreneur, and mathematics educator. A Suffolk University graduate in mathematics, he earned a silver medal at the 2021 International Mathematics Competition and was named to Forbes Kazakhstan’s 30 Under 30. He previously led engineering at 4Schoolers and worked at Amazon Web Services. He founded Runville Labs and now supports its transition into the JUMP + SAU sports ecosystem as an advisor.

Pavel Roskin is an aerospace software engineer and 4Schoolers technology consultant with more than two decades of software-development experience. He holds a master’s degree in physics and specializes in flight software, embedded Linux, Rust, C++, and reliable systems. His background spans aerospace, robotics, and advanced technology organizations. At 4Schoolers, Pavel evaluates technical solutions and advises on the design and implementation of dependable systems.

Yenchi Kuo is an Academic and Admissions Advisor at 4Schoolers and an English Language Development teacher at Phoenix Charter Academy. He earned a bachelor’s degree in English literature from Columbia University, where he received the School of General Studies Spirit Award for leadership and service. A certified TESOL educator, Yenchi specializes in language instruction and guides students through academic planning and admissions with an inclusive, student-centered approach.

Olga Katkova, Ph.D., is Director of Mathematics at 4Schoolers and a professor of mathematics at the University of Massachusetts Boston. She earned her doctorate from Kharkiv National University in Ukraine. Her research focuses on zero distributions of polynomials and entire functions, hyperbolic and stable polynomials, and total positivity. Olga brings extensive experience teaching calculus, linear algebra, and advanced mathematical problem solving to 4Schoolers students.

Alexander Aristarkhov, Ph.D., is a biotechnology research and strategy professional currently affiliated with ALTACELLS. His background includes R&D leadership in molecular biology and RNA technologies, including service as Director of Science & Technology at Exiqon. At 4Schoolers, he teaches biology and chemistry, prepares students for academic competitions, and mentors those pursuing internships and careers in drug development and biomedical science.

Elena Aristarkhova, Ph.D., is an investigator at Massachusetts General Hospital and an Instructor in Neurosurgery at Harvard Medical School. Her research focuses on ion transport proteins and their roles in neurological and metabolic disease, including recent collaborative work on gene-editing approaches for ATP1A3-related disorders. At 4Schoolers, she teaches biology, general and organic chemistry, genetics, and molecular biochemistry and prepares students for advanced science examinations.

Divya Bachina is a Member of Technical Staff on the Atlas team at Anchorage Digital and studied Computer Systems Engineering at Rensselaer Polytechnic Institute. Her background includes software engineering, mathematics, science, and long-standing student mentorship, including teaching MathCounts preparation. At 4Schoolers, Divya advises students on secondary-school planning and teaches mathematics, English, and standardized-test skills, bringing current technology and analytical experience to her work with students.

Ivan Jordanov is a software engineer and technology advisor with experience building complex products and solving challenging technical problems. He is a Member of Technical Staff at a stealth technology company and is affiliated with Technoperia. He studied at the Faculty of Computer Science and Engineering in Skopje. At 4Schoolers, Ivan supports technology initiatives and encourages students to approach computer science with curiosity, persistence, and creative problem-solving.

Zhijing Wu studies financial engineering at Cornell University, with a background in computational and applied mathematics. He is interested in data-driven problem-solving at the intersection of software engineering, quantitative analysis, and machine learning. At 4Schoolers, Zhijing supports students exploring mathematics, coding, and analytical thinking, helping them connect rigorous academic skills with practical questions in technology and finance.

Rebecca Karpovsky is a theatre and film producer with experience in live performance and creative production. Her work brings together storytelling, collaboration, and the practical planning required to bring ambitious projects to life. At 4Schoolers, Rebecca helps students explore the arts with confidence and intention, supporting communication, creative expression, and the skills needed to move from an initial idea to a finished project.

Adrien Le Ray is a writer, actor, and educator whose work connects storytelling, performance, and cross-cultural learning. He has taught U.S. history and drama and has worked with university students in the United States and France. As a performer and creator, he brings experience in theatre, film, and collaborative production. At 4Schoolers, Adrien helps students develop their voice, confidence, and creative discipline through the performing arts.

Jennifer Gerstel, Ph.D., is a Student Advisor at Brandeis Online and a longtime educator, academic advisor, and writing instructor. Her teaching and leadership experience includes English and humanities education, college readiness, curriculum development, and student mentoring. She holds a Ph.D. in English from the University of Toronto, an M.A. from Northwestern University, and a B.A. from Tufts University. At 4Schoolers, Jennifer helps students strengthen writing, academic planning, and confidence.

David M. Ferris, Esq., is the CEO of BeeHive Pros, which provides residential and commercial maintenance services. He leads a model built around long-term client relationships, transparent pricing, and coordinated help across plumbing, electrical, HVAC, and other property needs. His approach emphasizes reliable service and practical problem-solving for busy families and businesses. David brings experience in operations, client trust, and service delivery to the 4Schoolers Advisory Board.

Daria Filippuk is a fraud and compliance analyst whose work focuses on risk assessment, security reviews, and regulatory compliance. She brings experience with identifying potential issues, conducting audits, and applying careful, evidence-based judgment in fast-moving financial technology environments. Daria contributes a disciplined, analytical perspective to the 4Schoolers Advisory Board, with an emphasis on responsible systems, thoughtful problem-solving, and long-term trust.

Jeremy Levine is the co-founder and CEO of Underdog, a sports technology company focused on fantasy sports and prediction markets. Since founding the company in 2020, he has helped build products that give fans new ways to engage with sports. His work spans consumer technology, product strategy, and company growth. On the 4Schoolers Advisory Board, Jeremy brings an entrepreneur’s perspective on building accessible digital experiences and scaling a customer-focused organization.

Jonathan Corbin is the founder and CEO of Maven AGI, an enterprise AI company focused on customer experience. Before founding Maven, he led customer success and strategy at HubSpot and held leadership roles at Adobe, Marketo, and Sprinklr. He has spent more than two decades building customer success systems across industries and regions. Jonathan brings experience in AI, enterprise software, and service design to the 4Schoolers Advisory Board.

Helen Suh is a professor of civil and environmental engineering at Tufts University and an internationally recognized researcher in air pollution and human health. For more than 30 years, she has led multidisciplinary work in exposure science and environmental epidemiology. Her research examines how pollution affects cognitive and cardiovascular health, while her advisory service has included national scientific committees. She brings a rigorous, evidence-based perspective to 4Schoolers.

Steven Bergstein is Chief Operating Officer of TitanPayAI and an MIT alumnus with a background in electrical engineering and computer science. His career includes leadership in software services, client delivery, and customer success. He brings a practical view of how technology organizations build reliable products and support the people who use them. On the 4Schoolers Advisory Board, Steven contributes experience in operations, technology, and long-term customer relationships.

Gila Naderi is Director of Communications at Harvard University’s Minda de Gunzburg Center for European Studies, where she leads strategic communications that connect research, public dialogue, and global audiences. Her work spans editorial strategy, public affairs, and international engagement, informed by a background in communications and international relations. Gila brings a thoughtful, cross-cultural perspective to the 4Schoolers Advisory Board.

Darren Nicholas is a school principal and education leader with more than a decade of experience leading schools across multiple countries. He is Principal of The Sheikh Zayed Private Academy for Boys in Abu Dhabi and a graduate of the Harvard Graduate School of Education. Darren writes and speaks about school leadership, curriculum, and the future of learning. He brings a whole-child perspective and deep experience in building supportive school cultures to the 4Schoolers Advisory Board.

Kelley Joyce is the founder of Elevated Success Group, where she advises leaders and organizations on growth, strategy, operations, and people-centered change. Her work includes executive advising, organizational development, and leadership programming, with particular experience in early-childhood education. Kelley brings an entrepreneurial and practical perspective to the 4Schoolers Advisory Board, helping the organization think clearly about sustainable growth, strong teams, and meaningful outcomes for families.