Located in the heart of New York City and a global business and technology hub, the Seidenberg School of Computer Science and Information Systems attracts leading experts from around the world to teach and conduct research. Our distinguished faculty members not only are influential researchers with industry connections, but they also are accessible, supportive and eager to share their expertise with students.


Li-Chiou Chen, PhD
Li-Chiou Chen, PhD
Associate Professor
Li-Chiou Chen, PhD
(914) 773-3907

Li-Chiou Chen, PhD

Associate Professor

Dr. Chen’s research interests include information security management and policy with a focus on viruses/worms, denial of service attacks, and phishing.

She has co-authored numerous articles in professional journals including the Journal of Information Technology Management and has over a decade of experience researching in the fields of computer science and information systems.

Dr. Chen earned her PhD in Engineering and Public Policy from Carnegie Mellon University in Pittsburgh, PA and both her MBA and BBA in Management Information Systems from National Chengchi University in Taipei, Taiwan.

Mary Courtney, EdD
Mary Courtney, EdD
Professor
Mary Courtney, EdD
(914) 773-3406

Mary Courtney, EdD

Professor

Dr. Courtney’s research interests include algorithms, symbolic and algebraic manipulation, and computer science education.

She holds professional memberships in organizations including the Consortium for Computing Sciences in Colleges and the Special Interest Group on Computer Science Education. She has won numerous awards throughout her educational career, including Pace University’s Faculty Award for Distinguished Service and CSIS Excellence in Service Award.

Dr. Courtney earned her EdD in College Teaching of Mathematics from Columbia University and her MS in Computer Science from Pace University. She also holds an MA in Mathematics from Lehman College and a BA in Mathematics from College of Mt. St. Vincent.

Darren Hayes, DPS
Darren Hayes, DPS
Assistant Professor
Darren Hayes, DPS
(212) 346-1005

Darren Hayes, DPS

Assistant Professor

Dr. Hayes has authored and co-authored dozens of articles in scholarly journals including Sustainability and the Journal of Information Systems Applied Research, and has made numerous media appearances to discuss cybersecurity and information technology in outlets including CNBC, MSNBC, NPR, and The Wall Street Journal.

Dr. Hayes, along with two Pace colleagues, received a federal grant from the National Science Foundation for an ongoing research project that has been awarded more than $2.5 million to date. He holds professional memberships in organizations including The Navy League of the United States and the Open Web Application Security Project.

He earned both his Doctorate in Professional Studies and his MS in Information Systems from Pace University, and his BA in History from University College Dublin.

Narayan Murthy, PhD
Narayan Murthy, PhD
Professor
Narayan Murthy, PhD
(914) 773-3702

Narayan Murthy, PhD

Professor

Dr. Murthy’s research interests include algorithms and numerical analysis.

He has authored and co-authored various textbook chapters, conference papers, and articles in professional journals including the International Journal of Environmental, Cultural, Economic and Social Sustainability and the Journal of Computing Sciences in Colleges. He holds a professional membership in the Association for Computing Machinery.

Dr. Murthy earned both his PhD and MS in Mathematics, as well as his MS in Computer Science, from the University of Rhode Island. He also holds an MS in Mathematics and a BS in Physics and Mathematics from the University of Mysore, India.

Belgacem Raggad, PhD
Belgacem Raggad, PhD
Professor
Belgacem Raggad, PhD
(914) 773-3448

Belgacem Raggad, PhD

Professor

Dr. Raggad’s research interests include management information systems, software engineering, and artificial intelligence.

He has authored and co-authored articles in publications such as the International Journal of Computer Network and Security and INASE Journal, and has presented at the IEEE Conference on Cognitive Decisions. He holds professional memberships in more than 15 organizations and was awarded the Gold Medal for Great Contributions in IS Security by the country of Tunisia.

Dr. Raggad earned his PhD in Information Management from Pennsylvania State University and both his MS in Computer Information Systems and AD in Mathematics and Physics from the University of Tunis.

David Sachs, EdD
David Sachs, EdD
Professor
David Sachs, EdD
(914) 773-3319

David Sachs, EdD

Professor

Dr. Sachs’s research interests include social media, telehealth, and online education. He has authored and co-authored articles in scholarly journals including the Journal of Asynchronous Learning Networks, and he has presented research papers at several conferences including the American Telemedicine Association Conference and the American Society on Aging Annual Conference.

He is also the co-recipient of more than $2.5 million in private grants from the Weinberg Foundation and the American Association of Retired Persons, and he has served on numerous committees for the Seidenberg School (CSIS).

Dr. Sachs earned both his EdD and his MEd in Educational Administration from Columbia University. He also holds an MA in English from New York University and a BA in Philosophy from Colgate University.

Christelle Scharff, PhD
Christelle Scharff, PhD
Assistant Professor
Christelle Scharff, PhD
(212) 346-1016

Christelle Scharff, PhD

Assistant Professor

Dr. Scharff’s research interests include automated deduction and theorem proving, data mining, global software development, and more.

She has more than a decade of experience in higher education, teaching computer science both domestically and abroad at the Institute of Technology of Cambodia. Dr. Scharff is well-published in the field with over 20 years’ experience publishing scholarly articles, books, and conference literature.

Among other professional and academic organizations, Dr. Scharff is a current member of the Association for Computing Machinery, the Institute of Electrical and Electronics Engineers, and Pace University’s Center for Advancement of Formal Methods Education (CAFME).

Dr. Scharff has celebrated numerous award and honors from Pace University, the US State Department, and the American Institute for Public Service. She earned her PhD, MS, and BS in Computer Science from the Henri Poincaré University of Nancy in France.

Charles Tappert, PhD
Charles Tappert, PhD
Clinical Professor
Charles Tappert, PhD
(914) 773-3989

Charles Tappert, PhD

Clinical Professor

Dr. Tappert’s research interests include biometrics, machine learning, big data, artificial intelligence, natural language processing, cybersecurity, and more.

He has authored and co-authored articles for numerous websites and professional journals including Artificial Intelligence Research and Communications in Computer and Information Science, and has presented at several esteemed research conferences. He is the owner of nine patents, and received a $100,000 private grant from Verizon to research mobile phone security.

Dr. Tappert, a Fulbright Scholar, earned both his PhD and MS in Electrical Engineering from Cornell University and his BS in Engineering Sciences from Swarthmore College.


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