Faculty & Staff

Faculty for the Analytics program are drawn from various disciplines across Georgetown University and affiliated organizations. The core faculty are from Georgetown’s Analytics Program and the Departments of Computer Science and Mathematics & Statistics.

The Data Science program is taught by faculty members of Georgetown’s Analytics Program and the Departments of Computer Science and Mathematics & Statistics. These faculty members are leading experts in algorithms, information retrieval, data mining, machine learning, visual analytics, environmental statistics, statistical methodologies, and more. In addition, adjunct faculty from local industry and government teach select courses in their area of expertise. The program will continue to add instructors as necessary to address developing needs and challenges in the field of data science.

Full-Time Core Faculty

Jeremy Bolton (new window)

Assistant Teaching Professor

Jeremy Bolton is an Assistant Teaching Professor in the Department of Computer Science at Georgetown University. His research interests are focused on Machine Learning, Computer Vision, Statistical Learning Theory, and various applications. Previous research applies these concepts for the purposes of remote sensing, pattern classification, and modeling. 

Hans Engler (new window)


Hans Engler is a Professor in the Department of Mathematics and Statistics at Georgetown University. His research interests are in applied mathematics, computational statistics, and data science. Recent scientific work has been in mathematics of climate and transportation models. Dr. Engler has also worked for the National Science Foundation as a program officer and has consulted with engineering labs, law firms, and startup companies in the DC area.

Purna Gamage (new window)

Assistant Teaching Professor

Dr. Purna Gamage is an Assistant Teaching Professor and Student Advisor in the Data Science and Analytics program at Georgetown University, Washington D.C.  Dr. Gamage received her Ph.D. in Mathematics majoring in Statistics in 2018, and Master’s Degree in Statistics from Texas Tech University for her research in Bayesian Hierarchical Modeling, Spatial and Temporal Data Analysis, and Ecological Statistics. Dr. Gamage is currently engaged in research publications with her students applying Machine Learning and Statistical Learning tools in epidemiology. Moreover, Dr. Gamage is actively teaching several graduate level classes, develops content, and engages in student-support activities, such as the career fair, the mock interview session, seminars, hack-a-thons and workshops. She has devoted her time to advising and mentoring students and works closely with the Director, Dr. Ami Gates and Assistant Director, Ms. Heather Connor, providing administrative support. Prior to joining Georgetown University, she was a Visiting Assistant Professor at Wake Forest University, North Carolina, and a Graduate Part Time Instructor and Research Assistant at Texas Tech University, Texas.

Ami M. Gates (new window)

Associate Professor of Teaching

Ami Gates is the Director of the Data Analytics Program and an Associate Professor of Teaching at Georgetown University. Dr. Gates has a PhD in Computer Engineering with a focus on Machine Learning, Bioinformatics, and Data Analytics, an MS in Computer Science with a focus in Statistics, an MS in Mathematics Education, and a BA in Mathematics. Dr. Gates has spent over twenty-five years actively teaching, developing new courses and curriculums, leading new educational programs, supporting faculty, and engaging in research focused on pedagogical methods, educational data mining, and learning analytics. Dr. Gates has considerable industrial experience, and was a computer scientist, a technical trainer and project manager, and a lead statistician. Dr. Gates maintains a research and information exchange relationship with Johns Hopkins University and participates in a partnership with their SMART group. While Dr. Gates focuses primarily on providing superior educational environments, and supporting students, she also pursues research interests in the areas of visual analytics, machine learning applications, improving pedagogical methods, educational data mining, and learning analytics. Before joining Georgetown University, Dr. Gates was an educational technology developer and data analytics consultant. Dr. Gates owned and managed a successful small business for over 10 years.

Lisa Singh (new window)


Lisa Singh is a Professor in the Department of Computer Science at Georgetown University. Her specialization is database systems, data mining, and data science. Her general research interests are mining social networks and other dynamic graphs, anomaly detection, graph databases, data reduction of large graph data sets, privacy preserving data mining, and visual analytics.

Nate Strawn (new window)

Assistant Professor

Nate Strawn holds joint appointments in Analytics and in the Department of Mathematics and Statistics. Dr. Strawn’s research draws on probability, optimization, geometry and topology to advance theory and algorithms in data science. He also uses tools from algebraic geometry in signal processing via frame theory. Strawn received his PhD in Mathematics in 2011 from the University of Maryland, College Park for his work on geometry and optimization in finite frame theory. Prior to joining Georgetown University in 2015, he was Senior research Engineer at the Johns Hopkins University Applied Physics Laboratory, an FDA ORISE Fellow, and a postdoctoral research associate and Visiting Assistant Professor of Math at Duke University. 

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Program Administration

Heather Connor (new window)

Assistant Director

Heather Connor is the Assistant Director of the MS Analytics Program at Georgetown University. Ms. Connor serves as the primary contact for current, prospective, and former students, and oversees student recruitment and admissions, as well as managing the Student Mentorship Program. She also manages the program budget, marketing, and website, in addition to fellowship and teaching assistant programs. Ms. Connor holds an interdisciplinary Master’s degree in Humanities from the University of Chicago, where she began her career in graduate student services. Prior to joining Georgetown, she worked in graduate program administration at the University of Southern California and the University of Texas at Arlington.

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Part-Time Core Faculty

Keegan (new window)Hines

Adjunct Professor

Keegan Hines is an Adjunct Professor in the Data Analytics Program. Keegan received his PhD in Neuroscience from the University of Texas with a focus on applying machine learning techniques to Biological problems. His current research interests involve network security and defense and the development of algorithms for anomaly detection at large scale. Keegan is a Machine Learning Engineer at Capital One.

Daniel Loehr

Adjunct Professor

Dan Loehr is the head of the Human Language Technology (HLT) Department at The MITRE Corporation in McLean, VA. For many years he has managed a variety of projects in research, development, and evaluation of technologies in HLT. His research spans the study of gesture and speech intonation in discourse, computer dialog systems, machine translation, tools for speech corpus annotation, and constructing an Arabic multimodal corpus. Dr. Loehr has taught graduate courses in descriptive and computational linguistics, spoken language interfaces, and intonation and gesture in language.

Elizabeth Merkhofer

Adjunct Professor

Liz Merkhofer is a lead computational linguist at the MITRE Corporation, where she focuses on neural models/deep learning. Her work especially focuses on representation and transfer learning, for applications ranging from monitoring mental health-related messages in social media, judicial adjudication support, textual similarity, and content-based recommendation. She holds a BA in Philosophy and Spanish from the University of Arizona and an MA in Linguistics from Georgetown University.

Joshua Touyz

Adjunct Professor

Joshuah Touyz is an Adjunct Professor in the Data Analytics Program. Joshuah received his PhD in Statistics from The George Washington University with a focus on applied and theoretical aspects of multivariate spatial statistics. His past research includes applications to modeling long-memory weather patterns, algorithmic development for generating high dimensional fields and novel methods for pricing complex financial insurance products. Dr. Touyz is a past board member of Data Community DC and founder of Data Education DC. He is a data scientist in corporate strategy at Capital One Financial where he manages statistics, machine learning and data engineering projects.

Marck Vaisman (new window)

Adjunct Professor

Marck Vaisman is an Adjunct Professor in the Data Analytics program at Georgetown where he teaches ANLY502 (Massive Data Analytics) and ANLY503 (Scientific and Analytical Visualization). Marck is a Technical Solutions Professional at Microsoft and helps customers adopt the Azure platform and use it for Data Science, Advanced Analytics and Artificial Intelligence workloads. Marck designs data-driven computing solutions to help clients make better business decisions, recognize opportunities, experiment, gain insights, and solve difficult problems using large datasets and a combination of tools. His expertise lies in making data work for the problem at hand, drawing from experience in multiple industries including Internet, telecommunications, and high tech. Marck is an experienced R programmer and advocate. He founded Data Community DC, an organization that promotes Data Science and Analytics practitioners in the Washington DC Metro area. He holds a B.S. in Mechanical Engineering from Boston University and an MBA from Vanderbilt University.

Irina Vayndiner (new window)

Adjunct Professor

Irina Vayndiner is a Senior Technical Staff at MITRE. She received her M.S. in Mathematics and Physics from Moscow University, specializing in space mechanics. Irina has 18 years of Industry and Government experience in a variety of projects related to Big Data. Irina teaches multiple classes in the area of Information Technology. She presented at numerous scientific and technology conferences, has multiple publications, and a patent in the area of database security.

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Affiliated Faculty

Ali Arab (new window)

Associate Professor

Ali Arab is an Associate Professor of Statistics. His research interests include hierarchical Bayesian models, spatial and spatio-temporal models, environmental and ecological applications, Bayesian methods, climate change and anthropogenic impacts on natural processes, and risk and reliability assessment. He is affiliated with the Georgetown University’s Center for the Environment and the newly established Environment Initiative. He also has a secondary appointment as an Adjunct Assistant Professor at the Department of Forestry & Natural Resources of Clemson University, Clemson, SC.

Jeremy Fineman (new window)

Associate Professor

Jeremy Fineman is an Assistant Professor in the Department of Computer Science at Georgetown University. His research interests primarily lie in algorithm  design  and  analysis,  focusing on parallel  algorithms,  scheduling,  and  memory-efficient or large-data algorithms. He is also interested in classic (sequential) algorithms and data structures.

Nazli Goharian (new window)

Clinical Professor

Nazli Goharian is a Clinical Professor in the Department of Computer Science at Georgetown University, and is a member of the Information Retrieval Lab. Her research, publications, and doctoral student mentorship span the domains of information retrieval and text mining.

Marcus Maloof (new window)


Mark Maloof is a Professor in the Department of Computer Science at Georgetown University. His research interests include machine learning, data mining, on-line learning algorithms, concept drift, and applications of machine learning and data mining to computer security. He led the effort that established Georgetown’s first graduate program in computer science and served as their first director.

Mahlet Tadesse (new window)

Associate Professor

Mahlet Tadesse is an Associate Professor in the Department of Mathematics & Statistics at Georgetown University. She also holds an Adjunct Associate Professor position in the Department of Epidemiology at Harvard University. She received her doctorate in Biostatistics from Harvard University and served on the faculty at the University of Pennsylvania as Assistant Professor of Biostatistics prior to joining Georgetown University. She is an elected member of the International Statistical Institute and a fellow of the American Statistical Association. Her research focuses on the development of statistical and computational tools for the analysis of large-scale genomic data. She is particularly interested in stochastic search methods and Bayesian inferential strategies to identify structures and relation­ ships in high-dimensional data sets. Some research problems she is currently working on include: (1) identification of biologically relevant markers and prediction of clinical outcomes in a unified manner, (2) integration  of various genomic data sources, (3) integration of biological knowledge in the evaluation of genomic data.

Grace Hui Yang (new window)

Assistant Professor

Grace Hui Yang is an Assistant Professor in the Department of Computer Science at Georgetown University. She is leading the InfoSense group at Georgetown University. Her research interests include Web search, information retrieval, text mining, natural language processing, machine learning and privacy. Her recent research focuses on dynamic information retrieval modeling and applications, and privacy-preserving information retrieval. She is a recipient of the National Science Foundation (NSF) Faculty Early Career Development Program (CAREER) Award.

Wenchao Zhou (new window)

Assistant Professor

Wenchao Zhou is an Assistant Professor in the Department of Computer Science at Georgetown University. His research interests center on the use of da­ta-centric and formal techniques toward ensuring safe and secure distributed systems. He is also interested in distributed data management and the application of database technologies to networked systems.

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