About

Faculty & Staff

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  • Photo of Mike MacDonald
    Mike MacDonald
    Mathematics
    Head of the Mathematics Department
    Year Appointed: 2023
    (860) 408-3732
    Cross Country
    Track and Field
    Northeastern University - B.S.
    Bio
     
    Mike is an experienced educator who recently relocated to Connecticut after spending the past 20 years in Massachusetts and Florida. With a strong academic background, he earned his bachelor’s degree in mathematics from Northeastern University. For over a decade, he has been dedicated to the field of education, honing his teaching skills and providing private tutoring services. During his teaching career, he served as a coach for multiple math competition teams, fostering a love for mathematics and helping students excel in their studies. Additionally, he contributed as a cross country and track coach, guiding and motivating athletes to achieve their athletic goals.
     
    Currently residing in Farmington, Mike appreciates an active lifestyle and spends his free time engaging in various outdoor activities. He has a deep enthusiasm for hiking and cycling, along with a strong passion for baseball, basketball and skiing. Running holds a special place in Mike’s heart, and he has completed over 100 races, ranging from 1-mile to ultra-marathons. Recognizing his expertise and dedication, he served as a coach for the esteemed RunVie racing and triathlon teams, sharing his knowledge and empowering athletes to reach their full potential.
     
    Through his diverse experiences, Mike combines his passion for mathematics, teaching and athletics to create an engaging and dynamic learning environment.
  • Anastazja Maciulewski
    Physical Plant
    Rink Technician
    Year Appointed: 2024
  • Photo of Catherine MacKenzie
    Catherine MacKenzie
    Languages, Athletics, Deans Office
    Third Form Dean
    Year Appointed: 2024
    (860) 408-3738
    French
    Field Hockey
    St. Lawrence University - B.A.
    Bio
     
    Cate MacKenzie is head coach of the Varsity field hockey program, teaches French and serves as the Third Form Dean. She received her B.A. in government and francophone studies from St. Lawrence University, where she captained the Division III Field Hockey team her senior year. Prior to Westminster, Cate served as head coach of Varsity field hockey and as associate director of student life at New Hampton School, in New Hampton, N.H. She graduated from the Millbrook School in Millbrook, N.Y., where she was a member of the cum laude society and a four-year varsity letter recipient. Currently, Cate is working towards her M.Ed. in Independent School Leadership at Vanderbilt University's Peabody College in Nashville, Tenn. Cate lives in Memorial Hall with her partner, Ben, and their two black labs, Fraleigh and Cali.
  • Photo of Katherine Malchoff
    Katherine Malchoff
    Advancement Office
    Director of Annual Giving
    Year Appointed: 2022
    (860) 408-3027
    Franklin & Marshall College - B.A.
    Middlebury College - M.A.
    Bio
     
    Katherine oversees the development and execution of annual giving programs. She designs and implements strategies for enhancing restricted and unrestricted giving for Westminster, while expanding the rate of alumni participation.
     
    Katherine has held a number of roles in independent schools and higher education. She spent five years at Miss Porter’s School, where she taught Spanish, worked in admissions and coached soccer. She then spent two years as a development officer at Wesleyan University and one year at Westover School as their director of admission. 
     
    Katherine holds a bachelor’s degree from Franklin & Marshall College as well as a master’s degree in Spanish from Middlebury College. She lives on the Avon Old Farms campus with her husband, Brian, and two sons, Cameron and Charlie.
  • Photo of Andrew Marco
    Andrew Marco
    History, Visual and Performing Arts
    Technical Director of Werner Centennial Center
    Year Appointed: 2021
    (860) 408-3904
    Connecticut College - B.A.
    Bio
     
    A graduate of the Class of 2011, Andrew’s passion for theater blossomed at Westminster and a good percentage of his four years on the Hill were spent working both as a technician, actor, and once as a puppeteer, on the school’s Dramat productions. He was a two-time recipient of the Frances Laurel Hopkins Award for Theater, a Williams Hill Player, and served as Dramat President during his senior year.
     
    Following his graduation from Westminster, Andrew attended Connecticut College, where he earned a B.A. in theater and music, and studied Shakespeare abroad at the British-American Drama Academy. Early in his career, Andrew worked in amateur theatrical licensing and customer service at both Concord Theatricals and Dramatists Play Service, working with schools and community organizations nationwide to support their theatrical seasons. He also worked as a freelance music copyist (essentially a graphic designer for sheet music) on several professional theatrical productions.
     
    As an educator, Andrew has previously taught at the Fessenden School, Ghostlight Theater Camp and Hyde School. Andrew returned to Westminster in 2021, working in the advancement office for two years before returning to the classroom.
     
    Andrew and his wife, Collins, live in Edge House with their Maine Coon cat, Lazenby. In his free time, Andrew enjoys cycling, spending time in Maine, and writing music and plays. 
  • Photo of Greg Marco
    Greg Marco
    Science
    Year Appointed: 1989
    (860) 408-3041
    Golf
    Swayze Award 1995
    O’Brien Award 2000
    Sherwin-Cole Chair 2011
    Colby College - B.A.
    University of Maine - M.Ed.
    Bio
     
    Greg is a graduate of Colby College, where he majored in chemistry and biology, competed on the varsity golf team and served as the president of Zeta Psi fraternity. Upon completion of his undergraduate degree, Greg pursued graduate studies in biochemistry at Ohio State University and then completed a degree in science education at the University of Maine. After many years of administrative work as both Director of Studies and Dean of Faculty, Greg has returned his focus to the classroom, teaching Chemistry Honors and AP® Environmental Science. In addition to his academic duties, Greg is the head coach of Varsity Girls’ Golf.
     
    Greg’s free moments are dedicated to his three passions: his family, his golf game and the study of nature. He lives in Sanger House on the edge of campus, with his wife, Cathy, a speech-language pathologist for Burke Therapy in Simsbury. Greg and Cathy have two grown children, Sarah ’08 lives in Dallas, TX with her husband Drew and children Avery and Owen, and Andrew ’11 teaches history and theater at Westminster and lives in Edge House with his wife Collins.
  • Photo of Meghan Marco
    Meghan Collins Marco
    Visual and Performing Arts
    Dance Instructor
    Year Appointed: 2024
  • Regina Martin
    Business Office
    Controller
    Year Appointed: 2022
    (860) 408-3033
  • Photo of Kerry Masiero
    Kerry Masiero
    Support Staff
    Executive Assistant to the Head of School, Director of Head of School Operations
    Year Appointed: 2021
    (860) 408-3012
    Boston University - B.A.
    Bio
     
    Before joining Westminster in 2021, Kerry was the assistant to the head of school at Winsor School in Boston, Mass., and before that held roles including school registrar and assistant to the head of lower school at Fay School in Southborough, Mass. Kerry earned her bachelor’s degree in communication, with a concentration in public relations, from Boston University. Her early work out of college was with a public relations firm in New York City before she shifted to schools.
  • Haley Mate
    Athletics
    Year Appointed: 2025
  • Photo of Meghan Maurice
    Meghan Maurice
    Student Health Center
    Registered Nurse
    Year Appointed: 2023
    (860) 408-3080
    University of Vermont - B.A.
    Norwich University - B.S.N.
  • Photo of Stephen Mayfield
    Stephen Mayfield
    Science
    Year Appointed: 2019
    (860) 408-3809
    Water Polo
    Swimming & Diving
    Williams College - B.A.
    Bio
     
    Stephen earned a B.A. in chemistry from Williams College, where he was a Mellon Fund Recipient, a Class of 1960 Scholar in geosciences and worked as a research fellow in the Thoman Lab. He also served as a summer lab assistant at Harvard University. After graduating from Williams College, he secured a science teaching fellowship at Culver Academies, located in North Central, Ind., where for two years he taught chemistry and served as assistant coach of cross country and swimming, and lived in a dormitory. For a number of summers, he served as a youth swim coach in Sherborn, Mass.

    At Westminster, Stephen teaches science, helps coach swimming and diving, and is a corridor supervisor in Alumni House. His interests include running, swimming, golf, playing the trumpet, Dungeons and Dragons and musical theater.
  • Stephen McDonald
    Safety & Security
    Year Appointed: 2022
  • Photo of Luke McKenna
    Luke McKenna
    Mathematics
    Year Appointed: 2024
    Soccer
    Track and Field
    Siena College - B.A.
    Bio
     
    Luke comes to Westminster after working in the software engineering field. He graduated from Siena College in Loudonville, N.Y., where he earned a B.A. in software engineering. In college, Luke was a teacher’s assistant and tutor for computer science. He also worked at Pingree School in South Hamilton, Mass., as a junior varsity tennis coach and pod monitor. At Westminster, Luke is a math teacher and coaches’ soccer and track and field. He lives with his partner, Maya Leete, in Alumni House with their two cats Mo(ana) and Vino. His interests include weightlifting, learning new things and traveling whenever possible. His favorite places to explore have been Budapest, Hungary and Thessaloniki, Greece.
  • Photo of Michael McLaughlin
    Michael McLaughlin
    Physical Plant
    Carpenter
    Year Appointed: 2024
    (860) 408-3096
  • Martin Merensky
    Safety & Security
    Year Appointed: 2022
  • Photo of Sara Mogck
    Sara Mogck
    History
    Head of the History Department
    Year Appointed: 2014
    Coumantaros Family and William V.N. Philip History Department Chair
    Gordon College - B.A.
    Boston College - M.Ed.
    Bio
     
    Sara brings experience as a social studies teacher at Lexington High School in Lexington, Mass., and at Farmington High School in Farmington, Conn., to her responsibilities teaching history at Westminster. She also has worked as an SAT reader with Pearson Educational Measurement, as an assistant to the headmistress at Newton Country Day School in Newton, Mass., and as a scheduling assistant in the Washington, D.C., office of U.S. Senator Dan Coats. In addition to serving as a longtime volunteer at Squadron Line Elementary School, she has served as co-president of the Simsbury Junior Women’s Club. Her interests include reading, hiking and spending time with her husband, Derek, and her children, Bronwyn, Tatum and Declan.
  • Photo of Kathy Moore
    Kathy Moore RN
    Student Health Center
    Staff Nurse
    Year Appointed: 2012
    (860) 408-3080
  • Julie Moriarty
    Academic Support Program
    Academic Support Specialist
    Year Appointed: 2024

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