Pratima EnfieldPratima Enfield

Executive Director

Dr. Pratima Enfield leads programs for adult learners and mid-career professionals at Johns Hopkins SAIS and is the founding director of the Office of Online and Distance Learning. Dr. Enfield has a BA in English from Delhi University, an MA in Literature from Fitchburg State University, and a PhD in Instructional Systems Technology from Indiana University Bloomington. With almost 20 years of experience in the field of learning design, her academic and professional journey has centered around strategically leading initiatives in personalized learning, skill-gaps analysis, professional development opportunities and leadership.

Sandra ChadwellSandra Chadwell

Associate Director of Instructional Design

Sandra joined the Online and Distance Learning (ODL) Office at Johns Hopkins SAIS in August 2019. She began her career in instructional technology at a community college in Virginia, where she was appointed the full-time Blackboard Administrator and Trainer. Sandra enjoyed helping faculty and students navigate instructional technology and decided to pursue an Instructional Design & Development MEd from George Mason University. She completed the degree in 2012. Sandra began working at Johns Hopkins Advanced Academic Programs in 2015 as an instructional designer where she collaborated with faculty in the design and development of over 75 online courses. 

Jennifer StawaszJennifer Stawasz

Instructional Designer

Jennifer is an Instructional Designer with more than fifteen years of experience in higher education. She comes to SAIS from Northern Virginia Community College, where she served as Instructional Designer and Faculty. Jennifer has also served as Adjunct Faculty at Virginia Tech and George Mason University. Prior to her career in higher education, Jennifer worked as an International Economist with the U.S. Foreign Agricultural Service. Jennifer holds degrees from The Fletcher School at Tufts University, the College of Education and Human Development at George Mason University, and Dartmouth College.

Maria TobarMaria Tobar

Instructional Designer

Maria has more than five years of experience in higher education. She has taught courses within business in online, hybrid and face to face modalities. Additionally, she designed state-wide curriculum for the insurance certificate for Ivy Tech Community College. Her instructional design experience with Indiana University provided the opportunity to design undergraduate, graduate and professional development courses. She earned her Bachelors of Science in Marketing from Ball State University and a Masters of Business Administration in Finance from Prairie View A&M University.

Lindsay RyanLindsay Ryan

Manager of Online Student Experience and Enrollment

Lindsay has over eleven years of experience in online enrollment management from two major online universities. She earned a Master’s degree in International Relations and Conflict Resolution from American Military University, plus additional classes with United States Institute of Peace and the Humanitarian Leadership Academy. During her time in graduate school, Lindsay was also the first Vice President of the Gamma Omega chapter of the International Relations honor society, Sigma Iota Rho. Lindsay also has several years experience as an ESL teacher, including a summer program in Slovakia.

Christopher LyonsPaulina Rodriguez

Senior Instructional Technologist

Paulina has 10 years of experience working in higher education. She joined SAIS in August 2022. She began her career in technology at the University of Maryland. Her experience includes IT support, web design using WordPress, Drupal and Squarespace implementing HTML and CSS, and design of online courses. Paulina earned a degree in Communications from the University of Texas-PanAmerican, and an MA in Spanish from the University of Texas at San Antonio. She has also taught Spanish as an Adjunct Instructor at Johns Hopkins University and Trinity Washington University.  

Christopher LyonsChristopher Lyons

Instructional Technologist

Christopher has more than eight years of international experience in education. He has taught English as a second language (ESL), both in person and online, to students throughout Asia. He served as the English Program Coordinator for an English immersion school in Cambodia. There, he created and managed the school’s distance learning program in response to COVID-19. He earned his MET from Boise State University in 2020. He is currently completing an MS in Computer Information Systems, with a concentration in Web Application Development, at Boston University.

Office of Online and Distance Learning
1740 Massachusetts Avenue NW
Washington, DC 20036
Monday – Friday 9:00 a.m.-5:00 p.m.