Georgi D. Gospodinov

ContactInformation

Tata Consultancy Services Bentonville Office (617) 583-0903609 SW 8th Street, Suite 900, Bentonville, AR 72712 georgi.d.gospodinov@gmail.com

LinkedInProfile

http://www.linkedin.com/in/ggospodinov/

CurrentPosition

Data Scientist (Leadership), Tata Consultancy Services 2014 – present Developing predictive mod-els and analytics with big data, building large graph databases, using graph analytics and complexnetwork science for the largest retailer in the world. Modeling work involves customer profilingand analysis, store network analysis, basket and pricing analysis, ensemble model architecture, de-mographic segmentation of the U.S. and word population, community detection of large complexnetworks, campaign design, predictive modeling, machine learning applications.

Current Projects • Propensity to Join Model Development• Propensity to Renew Membership Model Development• Customer/Member Lifetime Value Model Development• Member Penetration Score and Potential Index Derivation, Segmentation Analysis• Store-Customer Network Analysis• Store Competitor Analysis• Customer/Member Shopping Profile Analysis• Cart Tracking Sensor and Wifi Network Analysis• Population Displacement Tracking Network Model, Disaster Relief Aid Distribution Model• Random Forest with Similarity Measure and Clustering Algorithm Development• Ensemble Model Architecture for Classification• Online Shopping Behavior Integration Model for Customer Demographic Profiling

Education Brandeis University, Waltham, MAPh.D. in Mathematics, August 2007Whittier College, Whittier, CAB.A. in Physics and Mathematics, Magna Cum Laude, May 2001

Other: Coursera Data Science Certification (in progress), EdX Spark and ML Courses, CBTNuggets series, Cloudera training with Impala/ Hive/Pig, and AWS Developer certification course

PreviousEmployment

Assistant Professor of Applied Mathematics, Wentworth Institute of Technology, 2012 –2014Post-doctoral Fellow, Bard College Math Department and BPI, 2011 – 2012Research Consultant, Sterling Point Research, LLC., 2010 – 2011Visiting Fellow of Mathematics, Olin College of Engineering, 2007 – 2010Teaching Assistant, Brandeis University Mathematics Department, 2001 – 2007Research Assistant, Brandeis University Astrophysics Department, 2002 – 2007

Computer Skills Python (advanced), R (advanced), SPSS (advanced), Matlab (intermediate), Scala (intermediate),Pig/Hive (intermediate), Linux/Unix (intermediate), GNU Octave (intermediate), C/C++(Intermediate),Java (beginner), SQL/NoSQL (beginner), AMPL (intermediate). Expert knowledge of object-oriented packages such as Mathematica, Maple, MathLab, LabView. Experience with HadoopMapReduce, Hive, Spark, and graph databases (Neo4j, GraphX, GraphLab) and some experiencewith cloud computing (AWS, Azure, SmartCloud). Expert use of educational platforms such asMyMathLab, WebAssign, Wiley+, Blackboard, WebCT.

Recent Projects • Applications of complex network methods in graph databases for medical claim fraud detection• Topological Data Analysis: persistent homology, feature detection, anomaly detection• Features from complex networks for scheduling and conflict graph resolution• Data analysis for postoperative infection occurrence• Complex networks for multi-dimensional time series• Quantum complex networks and percolation via multipartite entanglement• Multidimensional radiation physics techniques for efficient optimization of cancer treatment

ResearchExperience

• Features for anomaly detection on graph database models, 2014 – present• Complex network science and applications to dynamical systems, fractal data analysis, and

medicine, 2012 – present• Analysis of chaotic systems, fractal topology, data topology, 2011 – present• Brain dynamics modeling, nonlinear analysis of brain function and architecture, 2011 – present• Data representation through diffusion, topology, and other methods, Sterling Point Research,

LLC., 2010 – 2012• Extending Tomographical Methods for planetary 3-dimensional Imaging to Quasars,

Astrophysics Department, Brandeis University, 2002 – 2007• NMR on Porous Media (adapting CONTIN to a LabView experimental interface),

Physics Department Research Lab, Whittier College 1998–2000• Investigation of Classical Chaotic Systems and Nonlinear Dynamics

Physics Department Research Lab, Whittier College 1999–2001

Languages Fluent Bulgarian (native), Fluent English, Excellent German, Excellent Russian.

Publications “A Homological Approach to Relative Knot Invariants”, arXiv: math.GT/0909.4316, submitted.“Relative Knot Invariants: Properties and Applications”, arXiv: math.GT/0909.4326“On the Relative Slice Thurston-Bennequin Inequality”, arXiv: math.GT/1109.1882“Magnitude Visibility Networks for Higher-Dimensional Time Series”, submitted.“Partial Horizontal Weighted Visibility Networks”, in preparation.“ Continuous Visibility Networks”, in preparation.“Periodicity Investigations with Visibility Networks”, in preparation.

TeachingExperience

Wentworth Institute of Technology, Boston, MA

Assistant Professor of Mathematics Fall 2012 – present

• Hybrid Multivariable Calculus Course (2 semesters)• Operations Research Project-Based Team-Taught Course (1semester)• Graph Theory and Industry Applications Project-Based Course (1semester)• Algebra and Trigonometry Mathematics with Interactive Computer Learning (6 semesters)• Chaos Theory and Nonlinear Dynamics, Chaos Theory Seminar• Multivariable Calculus and Applications (3 semesters), ODEs (5 semesters)

Bard College, Annandale-on-Hudson, NY

Post-doctoral Fellow of Mathematics September 2011 – August 2012

• Graph Theory (Bard Prison Initiative), Real Analysis (Bard Prison Initiative)• Probability and Statistics (Bard Prison Initiative)• Introduction to Financial Mathematics, Problem Solving Seminar

Olin College of Engineering, Needham, MA

Visiting Fellow of Mathematics September 2007 – May 2010

• Calculus (3 sem.), Vector Calculus (3 sem.), ODEs (14 sem.), ODEs II (2 sem.)• Discrete Mathematics (one semesters), Linear Algebra (five semesters)• Mathematical Analysis (one semester)• Topology and Knot Theory Research Group (one semester)• Graph Theory Research Group (one semester, Spring 2010)

Brandeis University, Waltham, MA

Teaching Assistant (lecturer) September 2001 – May 2007

• Transitional Year Program: Pre-Calculus Basic Mathematics/Fundamentals/Pre-Calculus• Pre-Calculus (3 semesters), Calculus (3 semesters, 1 summer)• ESL Oral Skills For Graduate Students: English 200A, and Advanced Section 200B

Whittier College, Whittier, CA

Teaching Assistant September 1997 – May 2001

• Chaos Theory, Fundamentals of Physics, Experimental Physics

Honors andAwards

ESL Outstanding Teacher Award, Brandeis University 2005Brandeis Graduate Student Teaching Award in Mathematics, Brandeis University 2004Pyle Achievement Award in Mathematics, Whittier College 2001National Society of Physics Leadership Scholarship 2001Outstanding Student in Physics Award, Whittier College 2001Nola Lee Cole Achievement Award in Physics, Whittier College 2001

Conferences: • Polytechnic Summit Conference 2014, Boston, MA• Polytechnic Summit Conference 2013, Boston, MA• Introductory Workshop: Symplectic and Contact Geometry and Topology,

MSRI, Berkeley CA, August 17-21, 2009.• Summer Graduate Workshop: Symplectic and Contact Geometry and Topology,

MSRI, Berkeley CA, August 03-14, 2009.• Georgia International Topology Conference,

University of Georgia, Athens GA, May 18-29, 2009.• Low Dimensional Topology, MSRI, August 11-15, 2008.• Fifty Years Since Fox and Milnor,

Brandeis University and the National Science Foundation, June 2-5, 2008• Great Lakes Geometry Conference, Waterloo, Ontario, April 30-May 1, 2005.• Summer School: Floer Homology, Gauge Theory, and Low Dimensional Topology

Alfred Renyi Institute of Mathematics, Budapest, Hungary, June 5-26, 2004.

Conference andSeminar Talks

Complex Network Connectum for Postoperative Infection Factors, Polytechnic Summit 2014Multipartite Entanglement in Quantum Complex Networks, Polytechnic Summit 2014Complex Networks, Cliques, and Conflict Graph Resolution, Polytechnic Summit 2014Investigations of Complex Visibility Networks Associated to a Chaotic Time Series, PolytechnicSummit 2014Integration of research and interdisciplinary teaching in applied mathematics and radiation physicsto identify efficient optimizations for cancer treatment plans (poster), Polytechnic Summit 2014Complex Networks and Conflict Graph Resolution,Wentworth Applied Math Club, 2014New Ways to Distinguish Between Chaotic and Stochastic Systems: The Visibility Graphs, ControlResearch Group, CCNR and Channing Division of Network Medicine, 2014Visibility Complex Networks, Center for Complex Network Research, Northeastern, 2014Multipartite Entanglement Distribution in Quantum Complex Networks, CCNR, 2013Introduction to Knot Invariants, Wentworth Applied Math Club, 2013Investigations of Omega-complexity of Chaotic Systems, Polytechnic Summit 2013Data Assimilation in the Study of the Dynamics of Cancer, Polytechnic Summit 2013Building Undergraduate Research, Inter-Departmental Collaboration, Polytechnic Summit 2013Topological Tools for Analysis of Dynamical Systems, Polytechnic Summit 2013Mathematics Education in Extreme Social and Cultural Environments, Wentworth 2013Visibility Graphs and Applications Lecture Series, Wentworth 2012Chaos Theory and Applications Lecture Series, Wentworth 2012Overview of Knot Invariants, Bard College 2011Relative Invariants of Legendrian Knots, Dartmouth University 2009Reebless Foliations, Thurston Norm, and Minimal Genus, Brandeis University 2008The unit ball for the Thurston’s Norm, Brandeis University 2008Relative Invariants of Legendrian Knots, George Washington University 2008On the Additivity of the Thurston-Bennequin Invariant, Brandeis University 20063-Dimensional Contact Geometry (series), Brandeis Graduate Student Seminar 2005The Structure of Geodesic Laminations (series), Brandeis Topology Seminar 2005Symplectic Linear Algebra, Brandeis Topology Seminar 2004Quantum Mechanics: New Applications and Theories (Senior Thesis) 2001Homotopy Theory (Senior Thesis) 2001Poster Presentation: Published Problems, MAA Southern California Conference 2000Chaotic Systems and Nonlinear Dynamics, Southern California Conference UR 1999NMR on Porous Media, Southern California Conference UR 1998

References Paloma Valverde, Wentworth Institute of Technologypvalverde@aol.com(781) 736-3073

James O’Brien, Wentworth Institute of Technologyobrien.james.g@gmail.com(781) 736-3073

Rachel Maitra, Wentworth Institute of Technologymaitrar@wit.edu(781) 736-3073

Marianne Moran, Wentworth Institute of Technologymoranm2@wit.edu(617) 989-4293

Daniel Ruberman, Brandeis University (advisor)ruberman@brandeis.edu(781) 736-3073

Susan Parker, Brandeis Universityparker@brandeis.edu(781) 736-3053

Birt Tilley, Worcester Polytechnical Institute, Worcester, MAtilley@wpi.edu(508) 831-6664

John Etnyre, Georgia Institute of Technologyetnyre@math.gatech.edu(404) 385-6760

Andras Stipsicz, Alfred Renyi Institute of Mathematics, Budapest, Hungarystipsicz@renyi.edu