Sally Hogan

English & History

Sally is a recent college graduate who has returned to her lifelong home in West Rutland, Vermont. She earned her B.A. in Adolescence Education and English Literature with a Minor in Art from Elmira College and holds a teaching license in New York as well as Vermont. Sally has been playing basketball since second grade and continued playing at a varsity level in college after helping her team at Mount St. Joseph Academy earn the first of four consecutive State Championship in high school. Although she has spent most of her time on the court, she enjoys hiking and snowshoeing as well as exploring the great outdoors with her dog. While she is no stranger to snow, she has never skied before! In addition to staying active, she enjoys reading, music, gardening, watching movies, and creating art of all kinds. Sally also spends her summers teaching art to Pre-K through second graders at Northwest Primary School’s Tapestry program.

-Elmira College, BA in Adolescence Education and English Literature

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Heath Haskell


Heath Haskell, born and raised in southern Vermont, currently lives in Rutland, Vermont and Walpole, New Hampshire. He has a BA in Health Science and Chemistry from Castleton University. He is currently an adjunct for Keene State College working in the Chemistry department, For the past two years, he was teaching at MSJ Academy in Rutland, Vermont. He likes to, in what free time he has, to play tennis, coach Field Hockey, and support students by attending their events to cheer them on.

-Castleton University, BA in Health Science and Chemistry

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Ashley BillingsMath & Science
Courtney Harvey


Courtney grew up in Killington and has always had a passion for teaching. She spent her high school and college years teaching horseback riding and has since expanded her teaching in many ways.  Currently, aside from teaching at OMS, she teaches CPR and various emergency and wilderness medicine courses. In the past, she has been a substitute teacher in Rutland City Schools, fitness coach, yoga instructor, and adjunct college professor. 

Courtney has also always had a passion for horses and outdoor sports. She spent most of her youth riding and competing on horses and her snowboard. After high school, she expanded her love of outdoor sports to include rock climbing, skiing, mountain biking, fly fishing, and trail running.

Her love for all things outdoors led her to become a volunteer search and rescue team member in Killington, where she met her husband. When she isn’t teaching at OMS she works as an Advanced EMT and instructor for Regional Ambulance in Rutland County.  She also helps her husband train working dogs, and sometimes starts colts under saddle for friends. In her free time, you can find her either out in the wilderness with her husband and their 3 dogs, or at the barn with her horse. 

-University of Findlay: B.S. Equine Science (western riding & training) 
-Springfield College: Master of Exercise Science (Strength & Conditioning)

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Ashley BillingsMath & Science
Heather Grier


Heather is a native Vermonter, and outdoor enthusiast. She grew up skiing at Killington, then raced in high school for the Mill River Ski Team, training at Okemo. After high school she taught herself to snowboard and later competed in all disciplines, excelling in BX and alpine racing.

Heather coached Varsity snowboard teams at Mount Saint Joseph Academy and Rutland High School. Later she coached snowboarding and taught Social Studies at Killington Mountain School and was the KSC Weekend Snowboard Program Director. She also coached youth soccer at age 18, and was the K-12 Womens Soccer Director at West Rutland School from 2000-2004. Heather was the first women to coach a Men’s Varsity Soccer team in the State of Vermont.

Heather is currently also in yoga teacher training program and is a freelance real estate paralegal. In the summer she works as a hiking guide, qigong instructor and fitness manager at New Life Hiking Spa. She also enjoys riding motocross and playing golf with her husband Kevin.

-College of St. Joseph, BA Liberal Studies, Cum Laude, Phi Alpha Theta

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Abigail Teullane


Abigail has always had a passion for education and getting outside. After college, she spent 2 years working as an environmental educator for Nature’s Classroom. She then went on to get a Masters in Childhood Education. She has worked at schools in upstate New York, Australia, and most recently Connecticut. Originally from the Adirondacks, Abigail has spent the last 3 years teaching at an independent elementary school in New Haven, Connecticut. She recently moved to the area to be closer to the mountains.  Newly married, her and her husband, Forrest, live in Chester, VT. In her free time, she enjoys getting outside to camp, hike, swim and snowboard, and is trying to get the hang of frisbee golf.

B.S. in Environmental Science at SUNY Plattsburgh

M.S.T in Childhood Education at SUNY Potsdam

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Mariel Meringolo

Head of School

Mariel has been a member of the OMS staff since 2004.  She has served in the following roles at OMS: mathematics department head, development coordinator, special programs coordinator, and admissions assistant. She currently coaches the U10s at Okemo Mountain. Mariel loves winter sports and travel. She lives in Ludlow, VT with her husband, Mike.

Brandeis University: BA Economics

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Ashley Billings

Assistant to the Head of School
Admissions, Marketing, and Alumni Engagement Coordinator
English & Social Studies Teacher

Ashley was born and raised right here in Ludlow, Vermont. She started ski racing for Okemo Mountain at the young age of 6 years old and attended OMS for a few years throughout middle school. Throughout college she worked as a substitute teacher and Varsity Softball Coach, which lead her to pursuing her Master's Degree in Elementary Education. She recently was issued her teaching license in the state of Vermont and New Hampshire. 

Ashley lives in Rockingham with her fiancé and their fur babies (2 dogs & cat). She spends most of her free time going for motorcycle rides, traveling, hiking with her dogs, fishing and water skiing on Lake Rescue, and skiing Okemo in the winter. 

- Castleton University: BS Sports Administration, minors in Hospitality, Business, and Coaching
- Franklin Pierce University: Master of Elementary Education

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Leslie Cassano

Dean of Academics, High School

After graduating with a Master’s degree, Leslie concentrated on Alternative education, working at The East Hill School in Andover, Vermont, and The Mount Ascutney School in Brownsville, Vermont. She spent two summers as co-director at the Killington Music Festival for young musicians. Leslie took part in developing an interactive web site, hosted through Harvard University, bringing “live” Antarctic research into the classroom. She has written curriculum in a variety of subject areas, which has been approved by the Vermont Department of Education, and implemented in the classroom. In 2006, she began teaching at OMS, before accepting her Administration position as Dean of Academics in 2011. Leslie loves to run, snowboard, cross country ski, and surf.

Rosemont College: BS Sociology
St. Joseph’s Academy: Master’s in Education

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Kate Foster

Development Coordinator

Kate spent one year at Dana Farber Cancer Institute and two years at Dartmouth-Hitchcock Medical Center in oncology clinical research. She specialized in project management of clinical trials in lymphoma, leukemia, multiple myeloma, and bone marrow transplant. Kate taught science and math at OMS and started as the Assistant Dean of Academics in 2012. Her hobbies include hiking, yoga, horse-back riding, and skiing. She currently lives in Weston, VT with her husband, Ryan.

University of Vermont: BA Biology
Yale University: Masters of Public Health

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(802) 228 -1112

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Michelle Bos-Lun

English, Social Studies, Language Arts

In the summer, Michelle works for World Learning running cross-cultural youth programs. In recent years she has taught in the Governor's Institute for Current Events and Youth Activism, the Belarus Young Leaders Program and the Iraqi Young Leaders Exchange Program. Michelle has taught at The Meeting School, The Compass School, and directed a youth program at Youth Services of Windham County. She has been the program director for Metta Connections programs to India since 2014. She designs and leads cultural immersion programs with a service component in India to raise funds for a school in Bihar province. Her next India program will be in the fall of 2018.

Michelle’s interests include writing, gardening, vegetarian cooking, hiking, and spending time with her granddaughter. She is married to Ron Bos-Lun (also a teacher), and is mother to three adult children.  She lives in Westminster, Vermont.

- Beloit College: BA Sociology
- Lock Haven University: Post-graduate education courses
- School for International Training: MA International Education

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KatieArts & Humanities
Alison DesLauriers

Mathematics – Department Chair

Alison DesLauriers teaches high school level math at OMS. Alison enjoys public service almost as much as teaching. She has served her community in the capacity of school director for over 20 years, while raising her family, and teaching at OMS for 10 of those years. She lives in Chester with her husband John. Alison likes to ski, snowshoe, garden, and spend time with her adult children, Marc Tom and Margie.

- Bowdoin College
- University of Colorado/Boulder
- University of Vermont BS Business Administration

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KatieMath & Science
Maura Cornish


After 30 years of teaching in New York, Maura brings her many talents to us. She is certified in teaching braille and sign language and has used the arts as a way of communication. Maura also has trained countless guiding eye dogs.  Maura lives in Ludlow for the winter with her husband, Pete, and they reside in Carmel, NY in the summer.

- College of New Rochelle & Dominican College, NY

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KatieArts & Humanities
Wendy Hayward

English, Social Studies, and College Guidance Coordinator

Wendy Hayward started at OMS in 2015. Wendy has served as the Associate Director of Education, Head of School, and served on the admissions staff at Southern Vermont College. She has been an independent educational consultant since 1980. Wendy lives in Chester and is also a landscape artist, writer and traveler.

- University of Denver: BA Social Sciences
- Northern Illinois University: MS Ed Secondary Ed, Special Ed, Administration
- University of Geneva: Certificate in French
- Penobscot Language School: TESOL/TEFL certificates

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KatieArts & Humanities
John Rushing

English - Department Chair

John has taught at OMS since 2012. He previously taught English at the Long Trail School in Dorset, VT. He spent twenty-five years as a professional writer in the fields of journalism and communications and over five years as a tutor. John is married and lives in Dorset. He enjoys playing, watching, and expounding the tactics of soccer. He also loves reading, learning, cooking, snowboarding, spending time with his adult children, living in VT, and working alongside the dedicated and joyous student-athletes at OMS.

- lllinois State University: BS Political Science

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KatieArts & Humanities
Ericka Priestley

Middle School Dean of Academics

Ericka is passionate about teaching and winter sports. She has spent over 10 years teaching children as a ski instructor, camp coordinator and elementary school teacher. After receiving her initial degrees in Business Administration and Geography from the University of Montana, she started working at Whitefish Mountain Resort as a ski instructor. In Montana, Ericka spent her summers coordinating an outdoor-based kids camp. In 2012, she relocated to Vermont, started working at Okemo and went back to school to obtain her Master of Arts in Teaching degree. Since then, she has taught various grades and subjects, including math, at numerous elementary schools in Vermont. Recently, she has taken courses in teaching mathematics. 

Ericka lives in Springfield, Vermont. She has two young sons that she loves spending time with. She loves traveling, camping and exploring the outdoors. 

- University of Montana: B.S. Business Admin., B.A. Geography
- Upper Valley Educators Institute: Elementary Teacher Certification and Master of Arts in Teaching

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Steve Severson


Steve came to OMS in 2015 after working in technology companies and teaching math in Upper Valley schools from 2001-2015.  He has taught trigonometry, geometry, algebra 1+2, connected math, business math, consumer math, computer skills, applied math, integrated math; physics, economics and financial literacy.

Steve also coaches ski racing for Quechee and soccer for the Dartmouth women’s club team. He rides a bike often, is married to a psychotherapist and NH senator and has three children and five grandchildren. 

- Dartmouth College: BS Physics and Engineering
- Massachusetts Institute of Technology: Masters in Chemical Engineering
- The Wharton School of the University of Pennsylvania: Master of Business Administration

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KatieMath & Science
Marissa Selleck

English, Social Studies

Marissa is an English and Social Studies teacher at OMS. She has tutored, substitute taught, and worked as a para educator in the public school system in VT. She also participated in the Vermont Youth Conservation Corps in 2014.

- University of New Hampshire: BA Psychology

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KatieArts & Humanities
Thom Serrani

English, Social Studies, Language, Economics

Thom spent the early years after college in the fields of teaching and journalism. He spent 18 years in government service and 14 years in trade association management/lobbying.

Thom is a script writer and novelist. His interests include research, travel, history, literature, languages, gardening, cooking, and Russian language and culture. He lives in Ludlow, VT.

- Sacred Heart University: BA English
- Fairfield University Graduate School: American Studies and Government

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KatieArts & Humanities
Horacio Travaglini


Prof. Horacio Travaglini is a native of Buenos Aires, Argentina and has lived in Manchester, Vermont since 2016. Since January 2016 Horacio has been teaching Macroeconomics and Microeconomics at Castleton University. His bi-cultural background and focus on community collaboration has led him to a number of volunteer opportunities and community leadership roles. He volunteers at chess and soccer clubs every time he can, and loves outdoor activities. 

- University of Buenos Aires, Argentina: Bachelor of Science in Economics
- Northeastern University: Masters in Commerce and Economic Development


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KatieArts & Humanities