The Phelps School Faculty & Staff

Margie Abraham

Director of Residential
and Community Life
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Bio

Margie Abraham ​joined the Phelps faculty in 2001 and served as an instructor in the Academic Support Program for nine years. She returned in 2016 to rejoin the ASP and residential life staffs and to take on duties now as ​Director of Weekend Activities and Community Life. She is ​certified as a WILSON Instructor and brings a great deal of enthusiasm to her classes in wide-ranging subject areas. When she’s not on duty at Phelps, Margie enjoys traveling and spending time with her family.

Garret Anderson

Math and Science Instructor,
Dorm Parent
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Bio

Dennis Birtch

Dean of Students &
Campus Security
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Bio

Dennis Birtch ​is our Director of Residential Life, as well as the Head of Campus Safety and Security. He has been involved with independent school education for over 15 years. As a US Army veteran, he brings a leadership style that students appreciate and often emulate. At Lycoming College, he was part of a National Championship wrestling program. Later, he earned a degree in Educational Psychology at Temple University. He has two daughters, Amelia (13) and Sabrena (12). Fun facts: Dennis owns 278 audiobooks on Audible where he has racked up 3 Months 15 Days 16 Hours and 23 Minutes of listening time. Hidden Brain on NPR is his favorite podcast, GamerTag: Irishguard77. Dennis is a practicing omnist and he is at home in the kitchen. Most importantly, Dennis believes in the Oxford Comma. He is also a Hilltop Dorm Parent.

Lonappan Chakkalakal
Science Instructor
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Bio

Tom Corcoran

Registrar and Director of College Counseling
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Bio

Tom Corcoran is a graduate of the University of Pittsburgh and holds a J.D. from Widener University Commonwealth Law School. He worked as a political operative and campaign manager and enjoyed duties as a rowing coach before joining the staff at the Agnes Irwin School. There, he handled administrative functions for the Middle School and filled roles to support student life. He came to Phelps to serve as Executive Assistant to the Head of School. He then transitioned in to the role of Admissions Associate, before taking on his current role of Registrar and Director of College Counseling.

Alexander Deitrich

Social Studies Instructor
Dorm Parent
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Bio

Stephany Fahey

President
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Bio

Dr. Lou Giangiulio

Physician
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Bio

Dr. Lou Giangiulio ​is in his tenth year as school physician. He’s a graduate of the Jefferson Medical College (now Sidney Kimmel Medical College) in Philadelphia and is a US Army veteran who served for six years as an Army pediatrician, including three years at the United States Military Academy (West Point) and a ten-month deployment in Afghanistan in support of Operation Enduring Freedom (2003-04). “Doc G” enjoys jogging, biking, and the ultimate test of coordination: playing the accordion. In 2010 he founded a solo practice, Sugartown Pediatrics, LLC, and in each of the past three years he’s been named a Top Doctor for Pediatrics in ​Philadelphia Magazine.
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Ashton Gibbs

Coach Postgraduate Basketball;
Dorm Parent
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Bio

Gibbs has enjoyed success both as a player in his own right and also at the coaching level. At Seton Hall Prep in West Orange, N.J., Gibbs was the school’s all-time leading scorer and later helped the University of Pittsburgh to three NCAA tournament appearances between 2008-09 and 2011-12. He was Pitt’s third all-time leading free-throw shooter and finished his career eighth on the Panthers’ all-time scoring list with 1,748 points in 137 games, setting a school record of 297 career 3-pointers. Additionally, Gibbs was named a Big East All-Academic Team member twice and, as a junior, earned first-team All-Big-East and Associated-Press honorable mention and All-American honors. He was also instrumental in helping The Panthers to the 2010-11 regular season Big East Conference title.

On the global stage, Gibbs, who won a gold medal as a member of the United States’ U19 2009 FIBA World Championships team, represented Team USA at the 2011 World University Games as an undergrad.

After completing his degree in communications in 2012, Gibbs launched an international playing career that spanned almost a decade and included stops in Greece, Spain, Romania, Lebanon, Mexico, Slovenia, Dominican Republic, Belgium and Argentina. For the past two seasons, Gibbs has served the basketball staff at Duquesne University.

Sandra Hackett

Director of ESL
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Bio

John Harmatuk

Director of Athletics
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Bio

Dr. Jack Hasler

Social Studies Instructor
Associate Dean of Academics
Laurel Program Director
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Bio

Madeline Iswalt

Athletic Trainer
Assistant Director Athletics
Director of Facility Rentals
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Bio

Spencer Latran

History and Health/PE Instructor, Director of Sports Performance, Dorm Parent
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Bio

Spencer Latran​ is a graduate of Loyola University Maryland, where he was a Dean’s List student involved in a wide variety of co-curricular and service programs, including his role as manager of the varsity basketball team. He has served previously as ​an advisor, tutor, and teacher of religion, social studies, learning skills, and P.E. to middle school students. He also directed a chess club and coached cross country, basketball, and intramurals. At Phelps, he enjoys social studies and math classes, helps students improve their study skills, serves as a Gains Hall dorm parent, and coaches cross-country, basketball, and lacrosse.

Stephanie Lista

English Instructor
Academic Support Program
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Bio

Leah Lozzi

Business Office
Dorm Parent
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Bio

Mike Mansi

Language Arts Chair
Founders Dorm Parent
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Bio

Mike Mansi ​is in his thirteenth school year at Phelps, his sixteenth overall in education. He received his B.A. in English from Haverford College and his M.A. in English from West Chester University. At Phelps, Mike is our Language Arts Department Chair, teaching a variety of English classes from middle school to AP Literature and Composition. He’s the Head Dorm Parent in Founders and coaches varsity basketball and baseball. He’s an avid Philadelphia sports fan and has a special place in his heart for Boise State Football. Mike spends his summers on the Outer Banks of North Carolina cooking at a seafood restaurant. He is very close to his parents, sister, and nephews who all live locally and can be spotted at various Phelps sporting events.

Tony McGeorge

Head of School
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Bio

Mr. Charles A. “Tony” McGeorge is the Head of School at Phelps.

Mr. McGeorge brings distinguished professional experience in the business, non-profit and academic sectors. He was the co-founder and past president of Mustang Scholars’ Foundation, Inc., which provided college scholarships to underprivileged young men and women of promise.

Prior to Phelps, Mr. McGeorge was president of both the Missouri Military Academy (MMA) in Mexico Missouri and Valley Forge Military Academy and College (VFMAC) in Wayne, Pennsylvania. He is a former president of the Association of Military Colleges and Schools of the United States and served on the Board of Directors of the Pennsylvania Association of Independent Schools. In 2015 Mr. McGeorge was selected as a National Association of Boarding Schools Initiative Top 100 school Heads.

Mr. McGeorge began his business career at Johnson & Johnson. During his tenure there, he helped found two operating companies: McNeil Consumer Products Company (Tylenol) and Johnson & Johnson Health Management, Inc. He was selected as one of the national spokespersons for Johnson & Johnson during the Tylenol poisoning crisis that made business history and became a Harvard Business School case study.

His academic background includes a B.A. in Sino-Soviet History from Boston University and a M.S. in the Dynamics of Organizations from the University of Pennsylvania. He holds a certificate In School Management and Leadership from Harvard Business School/ Harvard Graduate School of Education and two certificates from Northwestern University’s Kellogg School of Business: one in Advanced Management and another in Educational Leadership.

Mr. McGeorge taught at St. Joseph’s University in the Graduate School of Business and was selected to create their Capstone for the Pharmaceutical MBA. He also taught Strategic Management and Organizational Theory at Eastern University. He has been a Guest Lecturer at Immaculata University, University of the Sciences Philadelphia, and Ursinus College.

A poet and a former member of the Board of Directors of the Iris N. Spencer Poetry awards at Westchester University Poetry Center, Mr. McGeorge is a recipient of the McKesson Foundation’s Neil Harlan Award, PECO’s “Hometown Hero” and a Ronald Reagan Gold Medal recipient and Honorary Chairman Business Advisory Council and has been awarded The Order of St. George Knight Commander and the title President Emeritus at Missouri Military Academy.

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Ida McIntyre

Business Manager
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Will Molden

Math and Science Instructor
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Bio

Mike Narzikul

Coach Prep Basketball
Dorm Parent
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Bio

John Nicholas

Director of Development
and Alumni Affairs
Math Instructor
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Bio

Amanda Pesce
Art Instructor
Dorm Parent
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Bio

John Phillips
Associate Head of School
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Bio

Dan Popernack

Spanish Instructor
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Bio

The Phelps School crest

Sharon Presta

Counselor
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Bio

Jane Scilovati

English Instructor
Academic Support Program
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Bio

Tony Semenuik

Maintenance
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Saige Spece

Coach Postgraduate Basketball
Dorm Parent
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Bio

Sandy Stotz

Comptroller
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Troy Trotter

Math & Science Instructor
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Bio

Troy Trotter ​enjoyed an eighteen-year career ​as a chemist before hearing the call to become a science teacher. He now enjoys bringing his experience to the classroom. Troy holds a ​bachelor’s degree in Chemistry from American International College in Springfield, MA, and he completed science teacher certification through the fellowship program at Drexel University. He served previously on the faculty at Central High School in Philadelphia and at Henderson High School in the West Chester Area School District. He teaches math and science courses here at Phelps.

Brian Wagner

Math Instructor
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Bio

Keith Wagner

Head of Maintenance
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Caroline Whitbeck
Director of Admissions
English Instructor
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Bio

Dr. ​Caroline Whitbeck,​ our Director of Admissions, is an alumna of both single-sex and boarding schools. She holds degrees from Harvard University (A.B., Classics, ​summa cum laude ), Brown University (M.F.A., Literary Arts), and the University of Pennsylvania (Ph.D., Comparative Literature). Caroline has presented scholarly research and had her own book of poetry published during her years as a lecturer at Brown, Penn, and Rowan University in their creative writing, critical writing, and comparative literature programs.

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