Directory
Faculty and Staff
Contact information for Landon's 200 faculty and staff members can be found below. If you are unsure of whom to contact, please call 301-320-3200 or email info@landon.net.
- Lower School: 301-320-1075 or lower@landon.net
- Middle School: 301-320-1028 or middle@landon.net
- Upper School: 301-320-1026 or upper@landon.net
- Arts Department: 301-320-1135 or karina_gershowitz@landon.net
- Athletics Department: 301-320-1083 or bill_brady@landon.net
- Technology Department: techteam@landon.net
- All others: info@landon.net
Students and Families
If you are looking for our student and family directory, this information is password-protected for enrolled families only. Please log in to BearNet to view our family directory.
To search for our faculty and staff, please type in the name or other keyword below.
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Mr. Jun Choi
Coordinator of User Services
B.S., The Pennsylvania State University
School:
301-320-1031

Mr. Joseph Clarke
Facilities and Operations Coordinator
B.S., Frostburg State University
School:
301-320-1126

Mrs. L. Elizabeth Coffey
Upper School Spanish Teacher
B.A., Furman University
M.A., Middlebury College
M.A., Middlebury College
School:
301-320-8444

Ms. Kim Coletta
Grade 5 Teacher
B.A., Georgetown University
M.A., Catholic University
M.A., Catholic University
School:
301-320-8452

Mrs. Courtney Collis
Grades 3-6 Learning Specialist
B.A., College of Charleston
M.Ed, University of North Carolina at Greensboro
M.Ed, University of North Carolina at Greensboro

Mr. Michael Cooke
Middle School Science Teacher and Middle School Athletics Coordinator
B.S., Alfred University
Georgia Southern University
Georgia Southern University
School:
301-320-1086

Mr. Richard Curtis
Upper School Counselor
Master's Certificate, George Washington University
M.Ed., University of Maine
B.A., Saint Anselm College
M.Ed., University of Maine
B.A., Saint Anselm College
School:
301-320-1038

Dr. Ardis Danon
Assistant Head of the Upper School and Science Teacher
B.A., Mount Holyoke College
M.D., St. Georges University
M.D., St. Georges University
School:
301-320-8443

Ms. Mirian de Ossorno
Lower School Spanish Teacher
B.A., University of Valladolid
M.A., University of Valladolid
M.A., University of Valladolid
School:
301-320-8453

Mr. Michael Derwinski
Upper School Dean of Students
B.A., Denison University
M.Ed., Marymount University
M.Ed., University of Phoenix
M.Ed., Marymount University
M.Ed., University of Phoenix
School:
301-320-7171

Mr. Adam Diaz
Lower and Middle School Counselor
M.E.d., Universidad de Granada
B.A., Georgetown University
B.A., Georgetown University
School:
301-320-8459

Mr. Thomas DiChiara
Upper School English Teacher
B.S., Georgetown University School of Foreign Service
School:
301-320-1116

Ms. Alyssa Doherty
Middle School English Teacher
B.A., Pine Manor College
J.D., Quinnipiac University School of Law
J.D., Quinnipiac University School of Law