Faculty Biography
Tim Halloran
Timothy J. Halloran teaches in the Undergraduate, MBA, and Executive MBA programs at Scheller. He is a classically trained consumer marketer and has built, directed, and consulted with some of the world’s largest brands, including Coca-Cola brands, Home Depot, Kraft Foods, Procter & Gamble, Delta Airlines, glacau (vitaminwater and smartwater), Vita Coco, the NBA, and Turner Broadcasting System. Prior to consulting, Tim spent ten years at Coca-Cola, leading multiple beverage brands. His successes at Coke include the national launch of Powerade sports drink and its sponsorship of the Olympics, co-development of Dasani bottled water, creation of Gold Peak tea, and the development of Coke’s first Internet marketing initiative with his work on Cherry Coke. He was awarded Innovator of the Year by Coca-Cola and named Max Award Finalist for Innovation by Georgia State University.
Tim has won numerous teaching awards at Georgia Tech including multiple Institute-wide Excellence in Teaching Awards. He teaches across all programs at Scheller and his practitioner-oriented style brings the “real world” into the classroom. He has created several new course offerings in marketing and sports management and served as Faculty Director of the EMBA program from 2020-2024. Prior to Georgia Tech, Tim taught at Emory’s Goizueta Business School and has been a visiting clinical professor at the University of Florida Warrington College of Business. He has also taught international seminars on New Product Development at Singapore Management University.
Tim’s practitioner-oriented research focuses on brand-consumer relationships and consumer engagement in social media communities. His paper, “Let’s Give Them Something To Talk About: Which Social Media Engagements Predict Purchase Frequency” won the 2021 Best Paper Award for the Journal of Interactive Marketing. His first book, Romancing the Brand: How Brands Create Strong, Intimate Relationships with Consumers was published by Jossey-Bass/Wiley in 2014, won the 2014 International Book Award for the Marketing/Advertising category, was named by strategy&business as Best Book 2014, won the 2015 Axiom Silver Book Award in Marketing/ Advertising/PR, and was named by Forbes as one of 7 Actionable Books for Smart Entrepreneurs.
Tim holds a Doctorate in Business Administration from the University of Florida, a Master’s In Marketing Research from the University of Georgia, and a B.S. from Washington and Lee University. He currently lives in Brookhaven, Georgia with his wife and three children.
Manpreet Singh Hora is the Senior Associate Dean for Programs and the Dean’s Distinguished Term Professor at the Scheller College of Business at the Georgia Institute of Technology.
His research empirically addresses specific challenges in three areas: managing operational risk through capturing knowledge from low-frequency high-impact operational failures, building learning and innovation capabilities in supply chain management and codifying knowledge in processes and routines.
Manpreet has published in journals such as Management Science, Journal of Operations Management (JOM) and Production and Operations Management (POM). His research awards include the Chan Hahn Best Paper Award from the Academy of Management and his work has been covered by NPR, CNN Money and Bloomberg BusinessWeek. He served as the Chair for the AOM-OSCM division and completed his five years in 2019. He currently serves as the Service Management Special Interest Group (SIG) Chair for the MSOM Society. Manpreet serves as a Department Editor for JOM and a Senior Editor for the POM journal.
Manpreet has developed and taught Service Operations Management and Empirical Methods and has published several teaching cases. His teaching awards include the Class of 1940 W. Roane Beard Outstanding Teaching Award, the CETL/BP Junior Faculty Teaching Excellence Award and the Brady Family Award for Faculty Teaching Excellence.
Prior to joining academia, Manpreet worked at Deutsche Bank in various capacities in Singapore, New York, and London. His last appointment involved managing an operations team in foreign exchange derivatives in Frankfurt, Germany. He received his Ph.D. from the University of Western Ontario (Canada) and MBA from Griffith University (Australia), and he is a CFA charterholder from the CFA Institute.
Manpreet Hora
DeBrae Kennedy-Mayo
DeBrae Kennedy-Mayo is a faculty member at the Georgia Tech Scheller College of Business. DeBrae co-developed and currently co-teaches “Privacy for Professionals,” a graduate-level online privacy class, where she has received numerous Thank-a-Teacher recognitions. Her research focuses on legal and policy implications of technology, privacy, and cybersecurity. She is also a Senior Fellow with the Cross-Border Data Forum.
DeBrae is the co-author of several editions of the International Association of Privacy Professionals (IAPP) book entitled U.S. Private-Sector Privacy: Law and Practice for Information Privacy Professionals – the book used by individuals preparing for the IAPP certification exam on U.S. private-sector privacy. DeBrae is the co-author of numerous articles related to technology, privacy and cybersecurity, with particular focus on the implications of data localization as well as the challenges of law enforcement in accessing electronic evidence. She regularly speaks at conferences around the world on these topics.
Prior to joining Georgia Tech’s faculty, DeBrae served as an Assistant Attorney General for the State of Georgia and an Assistant District Attorney in several counties in Georgia. During this time, she litigated in state and federal courts, and also handled the appeals of her cases.
DeBrae graduated with honors from the Emory University School of Law, where she was a managing editor for the Emory International Law Journal and was the founder of the Atlanta Bureau of the Internet Law Journal. At Emory Law, she was named an Atlanta Law School Foundation Fellow. She graduated with honors from Winthrop University, where she was the recipient of the Wylie Mathematics Scholarship.
Eric Overby joined the Scheller College of Business faculty in the fall of 2007 after completing his Ph.D. at Emory University.
Eric’s research is broadly motivated by a central observation: activities and processes that have traditionally been conducted in physical environments are shifting to electronic environments. His research: (a) seeks to explain why some activities and processes are more suitable for migration to electronic environments than others, and (b) explores the implications of physical-to-electronic shifts in contexts such as the wholesale used car market, consumer lending, medical records, and the news media. Eric’s research has appeared in academic journals such as Management Science, Information Systems Research, MIS Quarterly, Organization Science, Journal of Management Information Systems, and the European Journal of Information Systems. He was the inaugural recipient of the Sandy Slaughter Early Career Award from the INFORMS Information Systems Society in 2015, he received the Brady Family Award for Faculty Research Excellence from the Scheller College in 2022, and he has received multiple best paper awards.
Eric currently serves as the Faculty Director for the Steven A. Denning Technology & Management Program at Georgia Tech. He is also the Faculty Director for the Chief AI and Data Officer Certificate Program at Scheller. He has served on the Institute Provost’s Advisory Committee; the Scheller review, promotion, and tenure committee, including as chair; and Scheller’s undergraduate and graduate curriculum committees. He served as an Associate Editor at Management Science from 2013-2025, and he has received multiple awards for his editorial and reviewing service. He has also received multiple teaching awards.
Eric Overby
Karthik Ramachandran
Karthik Ramachandran is the Dunn Family Professor of Operations Management at the Georgia Tech Scheller College of Business. His research explores the operational and organizational drivers of entrepreneurship and innovation, with a focus on product design, technology management, and operations strategy. He develops analytical models, complemented by case-based, experimental, and empirical methods, to study how firms successfully commercialize innovations.
His work has been published in Management Science, Manufacturing & Service Operations Management, Production & Operations Management, and the Journal of Operations Management. He serves as Departmental Editor for Production and Operations Management (Management of Technology), and Associate Editor for Management Science and Decision Sciences. At Georgia Tech, he teaches courses in New Product Development, Collaborative Innovation, and Entrepreneurship, and mentors startups through the CREATE-X initiative.
He holds a Ph.D. in Supply Chain & Operations Management and an M.S. in Operations Research from the University of Texas at Austin, and a B.S. in Mechanical Engineering from the Indian Institute of Technology, Madras.
David M. Sluss, Ph.D., focuses his scholarly works and educational pursuits focus on how high potential professionals become agile, adaptive, & analytical leaders through creating personalized and productive work relationships. He builds on his academic research on relational identity and identification (Sluss & Ashforth, 2007, Academy of Management Review). He focuses on ‘new leader’ development, leader transitions, and how leaders build resilience in the face of adversity. He takes a diagnostic and behavioral approach to facilitating leadership development.
His research on relational identity and identification has explored processes across different contexts: telemarketing newcomers, technical professionals, contingent workers, and nomadic professionals. He has published research in the Academy of Management Journal, Academy of Management Review, Journal of Applied Psychology, Journal of Vocational Behavior, and Organization Science. He is currently serving on the editorial boards for Journal of Applied Psychology, Journal of Management, Journal of Business & Psychology, and Organizational Psychology Review (where he was previously a founding Associate Editor). He has also served as Special Issue Associate Editor for Academy of Management Review.
He works with organizations throughout the U.S., Latin America, and Europe. Fluent in Spanish, he has worked in Mexico, Puerto Rico, and Colombia. A partial list includes Abbott Laboratories (U.S. and Puerto Rico), Argos (Colombia), Baxter Pharmaceuticals (Belgium), Cisco Systems, Clorox, Coca-Cola, Google, IBM (U.S. & Ireland), McKesson, Rohlig (Germany), SCTE, Simpson Industries (Mexico), OSCE, A1 (Austria), and Verbund (Austria).
David Sluss
Executive Education at the Georgia Tech Scheller College of Business partners with organizations around the world to develop leaders who drive innovation at the intersection of business and technology.
