![Terry Bridgman](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/01/TBridgman-photo.jpg)
Terry Bridgman
Part time Lecturer
PhD, Colorado School of Mines
Research interests: Art & Mathematics
![Teri Christiansen](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/01/TChristiansen-photo-1.jpg)
Teri Christiansen
Junior Lecturer
MS, Texas A&M University
Research interests: Mathematics Education
![Amanda Clayton](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/01/AClayton-photo-1.jpg)
Amanda Clayton
Junior Lecturer
MST, University of Missouri
Research interests: Mathematics Education, Online Learning, Gifted Education
![Joseph Cutrone](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/01/JCutrone-photo.jpg)
Joseph Cutrone
Director of Online Programs, Associate Teaching Professor
PhD, Johns Hopkins University; MBA, Johns Hopkins University
Research interests: Algebraic Geometry
![Alexa Gaines](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/01/AGaines-photo.jpg)
Alexa Gaines
Junior Lecturer
MS, Johns Hopkins University
Research interests: Calculus, Data Analytics, and Cryptography
![Erich Goldstein](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/01/EGoldstein-photo-2.jpg)
Erich Goldstein
Junior Lecturer
MS, University of Florida
Research interests: Early Mathematics Education, Competitive Mathematics
![Jeffrey Marino](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/01/JMarino-photo.jpg)
Jeffrey Marino
Junior Lecturer
MS, Johns Hopkins University
Research interests: Data Science
![Nicholas Marshburn](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/01/NMarshburn-photo-1.jpg)
Nicholas Marshburn
Junior Lecturer
PhD, Johns Hopkins University
Research interests: Algebraic Geometry
![Brad Nichols](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/02/BNichols-photo.jpg)
Brad Nichols
Part time Lecturer
University of Massachusetts Amherst
Fellow of the Casualty Actuary Society
Director, Actuary – Global Insights at Liberty Mutual Insurance
![Christopher Ratigan](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/01/CRatigan-photo.jpg)
Christopher Ratigan
Junior Lecturer
MS, Tufts University
Research interests: Classification metrics and clustering, Low-Dimensional Topology, Data Science
![Lauren Ross](https://mathematics.jhu.edu/wp-content/uploads/sites/62/2023/01/LRoss-photo-1-800x1024.jpg)
Lauren Ross
Junior Lecturer
MS, Johns Hopkins University
Research interests: Cryptography, Online Education