Faculty Bio's



Beth Billouin

Prior to coming to Bedford, Ms. Billouin spent one year working in software development and taught for three years at Methuen High School. Ms. Billouin received her M.Ed. in Curriculum development from Cambridge College and her B.S. and teaching certification from UMass Lowell. Ms.Billouin lives in Bedford.

Deborah Darlington

Deborah Darlington teaches Physics and Biology at Bedford High School. Mrs. Darlington began teaching in 2001 at Belmont High School, where she taught Integrated Science, Biology, Physics, Zoology and Astronomy. From 2011-2014 Mrs. Darlington was the Director of Science for the Belmont Public Schools. In 2014 Mrs. Darlington chose to leave administration and return full-time to the classroom at Bedford. She earned her B.S in Biology from Tufts University and M Ed. from UMass Lowell.

Erin Eggers

Erin Eggers was born on the coast of Maine. She received her B.A. in neuroscience from Amherst College and her M.A. in neuroscience and a M.Ed. from Harvard University. She has worked at the Mount Desert Island Biological Laboratory, the National Institutes of Health, and the Jackson Laboratory. Ms. Eggers has most recently taught at Newton North High School and Hopkinton High School. She will be joining the science department team at Bedford High School this year teaching AP biology, biology and anatomy and physiology. Ms. Eggers currently lives in Sudbury.

Richard Estes

Richard Estes is a Chemistry and Marine Biology teacher who is currently teaching High Honors Chemistry and Honors Marine Biology. Mr. Estes began teaching at BHS in 2012. Prior to coming to Bedford, Mr. Estes taught for three years at Wachusett Regional High School in Holden, MA. From 2005 to 2009, Mr. Estes was a Marine Biologist for Metcalf and Eddy and the National Marine Fisheries Services. Mr. Estes also spent time working on a traditional wooden schooner (The Alabama) out of Martha's Vineyard. Mr. Estes received his M.Ed. from Fitchburg University and his Bachelors of Science from Roger Williams University.

Michael Griffin

Michael Griffin is the Science Program Administrator and currently teaches Advanced Placement Environmental Science. He is the Environmental Club advisor and co-coordinator of the Women of Science Competition. Mr. Griffin coaches the Envirothon team and Science Bowl teams. He served as a Massachusetts Science Ambassador for the Department of Education and has received teaching recognition awards from Harvard, MIT, and Stanford.

Outside of school, Mr. Griffin has worked as an animal caretaker at the Riverbanks Zoo in South Carolina, been an adjunct professor at Lesley University, and a Museum of Science Camp – In instructor. He is a certified Wilderness First Responder and loves spending time hiking in the mountains. He is a member of many science groups and promotes interest in science whenever possible. He is a graduate of the University of Illinois (BS) and Lesley University (MS) and continues his education through summer programs, graduate courses, reading, and workshops.

Liana Heldman

Liana Heldman has been teaching at Bedford High School since 2008. In addition to teaching chemistry and AP chemistry, Ms. Heldman co-coodinates the West Suburban Science League, co-coaches the Bedford Science Team, and co-organizes the annual Women of Science competition. Prior to coming to Bedford, Ms. Heldman taught middle school math and science at Majuro Middle School in the Marshall Islands. Ms. Heldman earned her A.B. in chemistry from Dartmouth College and her Ed.M. from the Harvard Graduate School of Education. Ms. Heldman is also a National Board Certified Teacher.

Heather Kurzman

Heather Kurzman is a science educator currently teaching College Prep Chemistry and Honors Forensic Science. Mrs. Kurzman has been a teacher at BHS since 2001. She earned a bachelor's degree in Chemistry and Secondary Education from Boston College and master's degree in Curriculum and Instructional Technology from Framingham State University. Mrs. Kurzman began her teaching career in 1999 at Commack High School in Commack, NY where she taught chemistry, forensic science, and clinical technology.

Sarah Leshay

Sarah Leshay began teaching at Bedford High School in 2007 and she currently teaches STEM Applications and College Prep Biology. Ms. Leshay is the co-advisor for the BHS Robotics Team. She has a B.S. in Biology and a M.A.T. with a focus in secondary education from Northeastern University.

Sean McGowan

McGowan currently holds Massachusetts teaching certificates for 9-12 Mathematics and 9-12 Physics. Between teaching assignments he spent five years working for a US Government contractor on several different projects for the Strategic Defense Initiative Organization, or SDIO, better know as the "Star Wars" program. Before returning to teaching, he worked for Howard Hughes Medical, out of Harvard University, where he was the computer systems manager and a research assistant for a team of PHDs working on the sequencing of AIDS proteins. McGowan is the advisor for the Mathematics team and the Chess team, as well as the president of the interscholastic Chess league that Bedford competes in.

John O’Connor

John O’Connor is an Engineering Teacher who is currently teaching all levels of Robotics, Drafting/CAD, Manufacturing & Production Technology, and Exploring Computer Science. Mr. O’Connor is the advisor for the Robotics Team and the Fix-It Club at Bedford High School. He began teaching at BHS in 2012. Prior to coming to Bedford, he taught Math for two years in the Boston area. His first career of twenty years was as an engineer and IT manager at various companies including GE Plastics, PTC and Varian Semiconductor. Mr. O’Connor received his BS in Mechanical Engineering from UMass/Amherst and M.Ed. in Secondary Math from Boston College. He enjoys sailing, biking, hiking and camping with his five children and wonderful wife, Diane.

Michelle PietrangeloMichelle Pietrangelo joined the department in 2016. She teaches Biology, Chemistry and Marine Biology.  Prior to moving around the country (Pennsylvania, Michigan, California, Massachusetts) and raising small children she was a Biology, Chemistry, Physical Science and Forensics teacher at Wissahickon High School in Ambler, PA for 5 years.  Originally from Michigan, Ms. Pietrangelo has her M Ed., B.S. in Biology with a minor in Chemistry, B. S. Zoology and received her teaching certification through Michigan State University’s College of Education.  

Scott Stief

Scott Stief is a physics teacher who is currently teaching Honors Physics, High Honors Physics and AP Physics C. He has a Bachelors Degree in Physics with a minor in Mathematics, which he earned in 2007. He began teaching at Bedford in 2008, shortly after receiving his MA in Teaching Physics. Mr. Stief is the co-coach for the Bedford Science Team which competes in both the West Suburban Science League (WSSL) and the state wide Science Olympiad. Mr. Stief is also the coach of Bedford’s Women of Science teams. On top of his responsibilities as coach of the Science Team, he organizes and runs the WSSL along with his co-coach.  

Lucas WickhamLucas Wickham joined the teaching staff in Bedford in 2017 and currently teaches Physics, Honors Physics, and APPhysics 1-2. He was most recently at Chelmsford High School for six years, where he taught a range of physics classes, including AP Physics 1 and 2. Prior to that, he spent a year in Ethiopia teaching English to local students and enjoying the food and culture of East Africa. He earned his BS in Physics in 2004 from Cal Poly, San Luis Obispo. 


MR. Estes Fire Demo - Do Not Try This At Home