EthanEthan Delavan
Director of Technology
The Bush School, Seattle, WA
2021 Annual Conference Advisory Committee Chair
Ethan Delavan has been an educator since 1995 and Director of Technology at The Bush School since 2013. Trained as a drama teacher, Ethan began integrating media and technology into his classes and made the switch to teaching technology full time to middle school students. His latest passion is helping colleagues to bring technology into student experience to further creativity and collaboration. He has served on the boards of 911 Media Arts Center, the National Association for Media Literacy Education, and Action for Media Education.

Jennifer BaseliceJennifer Baselice
Director of Technology
Lake Highland Preparatory School, FL
2022 Annual Conference Advisory Committee Chair
Jennifer Baselice began her career in the mathematics classroom over 13 years ago teaching every course from PreAlgebra up to AP Calculus AB/BC. She has also served in various capacities related to educational technology including Technology and Innovation Specialist at Lake Highland before becoming their first Director of Technology. Known as an idea generator, Jennifer loves to learn and create new ways to enhance great teaching with technology and shares that love with anyone she meets. Baselice is an ATLIS ECATD alum (class of 2020) and Google Certified Trainer and Educator. 

head shotSuzannah Calvery
Educational Technology Specialist

Bear Creek School, WA
Suzanna Calvery has followed a circuitous route to her current role in EdTech innovation. She has worked in non-profit, corporate, K-12, and higher education. She currently works for The Bear Creek School, a PK12 independent school In Redmond, WA. She is also a member of the i2e Microsoft Global Training Partner Team. She delights in outdoor activity and engaging her body and mind in gratitude to center herself.

head shotHolly Gerla
Technology Director
Charles Wright School, WA
Having begun her education career in 1994 as a public school teacher, Holly Gerla  has now taught students from preschool through graduate school. She is currently the Technology Director at Charles Wright Academy in Tacoma, Washington, having served many other roles within the tech department over the last 13 years at the school. In addition to guiding the school's vision for educational technology and collaborating with teachers to integrate tech tools and skills into their curricula, she teaches Digital Citizenship classes and is the co-founder of Ethics 4 a Digital World with a colleague. Together, they have led annual family workshops at CWA and have spoken to many community and parent organizations in the region about raising kids in the age of technology. She also serves on her school's Diversity and Inclusion Committee and the Student-Faculty Senate. Gerla is a 2019 ATLIS ECATD alum.

Daisy Steele
Director of Technology
Catlin Gabel School, OR

headshotJennifer Lamkins
Coordinator of Member and Technology Support Services, NWAIS
Before joining the Northwest Association of Independent Schools (NWAIS), Jennifer Lamkins had been teaching and leading in educational technology more years than she can count on fingers and toes. She has worked in independent schools for 10+ years, most recently at Lakeside School and Open Window School in Seattle. She credits her motivation to be an educator with a passion to keep learning and her role as a technology leader with a desire to never be bored. To relax and unwind, she reads (a lot), studies several languages, and plays a few musical instruments.

headshotColin Anton Samuel
Technology Director Brearley School, NY
Colin Anton Samuel has worked in some form of academic technology for almost 20 years.  He currently serves as the co-chair of the New York State Association of Independent Schools (NYSAIS) Educational Technology Advisory Committee and has also served as a past president of the New York Consortium for Independent School Technologists (NYCIST). He has presented at and helped organize several national conferences on technology's role in promoting efficiency, empathy, and diversity in our schools. He is a proud and licensed Project Management Professional.

head shotBernadette Shilliam
Business Office Coordinator/Registrar
Cascades Academy, OR
Bernadette Shilliam has worked in independent school administration for the last six years.  Prior to her move into education, she was he Administrative Manager for the railroad division of a major cruise and tour company in Alaska, the state in which she grew up. She and her family currently reside near Sisters, Oregon.


Shandor Simon
Director of Technology
Latin School of Chicago, Chicago, IL
2020 Annual Conference Advisory Committee Chair




Brian Sossamon
Director of Technology
Trinity Episcopal School, TX
Brian Sossamon has worked in education almost 20 years, including working with two of the largest public schools in North Carolina, Charlotte Mecklenburg Schools and Union County Public Schools. He also worked as a networking and systems administration professional before joining Charlotte Latin School as Senior Network/Systems Admin and then Interim Director of Technology. Transitioning to Trinity Episcopal in Austin, he now leads all aspects of technology at a 1:1 school with 800 plus devices. Sossaman manages an extensive support structure and academic emergent program with STEAM guidelines for all classroom interactions.

head shotJeff Tillinghast
Director of Learning Design and Technology
University Prep, WA
At U Prep, Jeff Tillinghast leads curricular technology and 1:1 initiatives as well as the school’s maker and robotics programs. As both a technology leader and former high school music teacher, his career spans public, international, and independent schools. As a technologist, he is passionate about building creativity and innovation skills, coaching collaboration, and creating authentic learning experiences for students and faculty alike. He leverages his position as a technology leader to focus on building equitable access to technology skills and resources for all students, as well as on evolving 1:1 programs from technology use to technology creation. Tillinghast has had regional and national leadership roles in ACDA, NW-MENC, NWAIS, and ISTE, among others. He has degrees in Jazz Theory and Music Technology, and a drawerful of industry and vendor certifications. Outside school walls, Jeff is husband and father of two, an active triathlete and rock’n’roll saxophonist, and recreational LEGO sorter.

head shotLouis Tullo
Director of Educational Technology
The Athenian School, CA 
In his role as Director of Educational Technology at The Athenian School, Louis Tullo oversees  IT operations and infrastructure in addition to spearheading the school’s work in curricular technology integration and innovation. Prior to working in independent schools, he worked in tech leadership roles in the corporate arena and brings a unique perspective to thinking critically about technology operations in a school environment. On the curricular side, Athenian’s emphasis on experiential education provides unique opportunities as programs intersect with technology. The state-of-the-art makerspace on campus (Carter Innovation Studio), interdisciplinary courses, and membership in a consortium of Bay Area schools to deliver blended learning experiences to students are just a few examples of this. When not at school, Tullo spends serves at his church in the Tri-Valley, that is, when he and and his wife aren’t wrangling their four young boys!  

head shotNatalia Walchli
Curriculum & Educational Technology Implementation Coordinator
Gulliver Schools, FL
Natalia Walchli is a career educator with expertise in early childhood education, care, and development. She has served as teacher and learning coach in elementary and secondary schools, contributing to program development, curriculum mapping initiatives, edtech integration, and change management. Currently, at Gulliver Preparatory School in Miami, Walchli organizes Edcamp Miami and is part of the Think Tank for the Association of Technology for Independent Schools. Her bachelor’s is in political science from Boston College with a master's in elementary education from the University of Miami. She serves on the board of Julen Smiles, which is focused on helping families who have children with special needs, and as a committee chair with the Junior League. She also serves as board chair for the Lucy Project, which is focused on providing reading intervention to students who struggle with dyslexia and other language based learning difficulties.