Professor Marsilio Mark Langella

Mark Langella is a 31-year retired AP Chemistry instructor at Mahopac High School in New York and an active adjunct chemistry professor at Westchester Community College and full time Clinical Laboratory Professor at Mercy University.   He received a BA in Chemistry from Manhattan College, and a MA in Science Education from Lehman College. He is also a NYS certified chemistry and chemical technology instructor.

Mark Langella has over 31 years of experience teaching AP Chemistry and is a College Board AP Chemistry consultant since 1994, as well as, a College Board workshop coordinator. He taught AP chemistry to sophomores as a first-year chemistry program for the past 20 years . Has taught College Chemistry for over 7 years at varied colleges.

He initiated and established AP chemistry programs in three different high schools. Mid-Hudson Section of the American Chemical Society has chosen Mark  as a recipient of the Excellence in High School Chemistry Teaching Award. 

Mark Langella has been an AP chemistry consultant for over 27 years mentoring new AP Chemistry instructors and has worked for Industry as a consultant for educational programs since 1990. He is also author of Syllabus # 4 in AP College Board Handbook and the Chemical Technology Syllabus for NYSED.  He has been an AP chemistry Reader for the College Board.

CIBA High School  Chemistry Institute Consultant with his Colleague Dr. Robert Gamper 1990- 2009

He is also the founder and director of the Putnam/Westchester Industry and Teacher Alliance and has been a coordinating board member of both the SUNY Purchase Alliance of Chemistry Educators (1990-2000), as well as the Teaching Center at SUNY Purchase (1999-2002). He is Founder of PWISTA-Mahopac, non-for-profit organization servicing science teachers in two different counties.

He is STANY’s Westchester/ Bronx Section former science area representative for chemistry. He has recently been nominated as Vice Chairperson for the Bronx-Westchester STANYS division.

He is presently a Summer adjunct science education professor at Manhattanville College.

He is also the author of numerous published experimental kits and AP chemistry labs for FLINN Scientific.

He is also a developer for Mini-Concepts Custom Designed Chemistry Lab Kits. https://mini-concepts.com/