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Department Chairs

Avinash Karanth

Chair, Electrical Engineering and Computer Science Joseph K. Jachinowski Professor
Stocker Center 330

Avinash Karanth received his PhD and MS from The University of Arizona in August 2006 and May 2003 respectively. Presently, he is the Chair of the School of Electrical Engineering and Computer Science (EECS) at Ohio University. He is also Joseph K. Jachinowski Professor in the School of EECS where he leads the Technologies for Emerging Computer Architecture Laboratory (TEAL) at Ohio University. His research interests include Computer Architecture, Machine Learning, Hardware Accelerators, Network-on-Chips (NoCs), Emerging Technologies (nanophotonics, wireless), Hardware Security, and Exascale Networks.    

Avinash Karanth has received the prestigious NSF CAREER Award in 2011, Presidential Research Scholar Award in 2017, Best Paper Award at the ICCD 2013 conference and his papers have been nominated for Best Paper at IEEE Design and Test in Europe (DATE) in 2019, IEEE Symposium on Network-on-Chips (NoCs) in May 2010 and IEEE Asia & South Pacific Design Automation Conference (ASP-DAC) in January 2009. His research has been sponsored by National Science Foundation (NSF), Air Force Research Lab (AFRL), Ohio Department of Higher Education (ODHE) and Advanced Micro Devices (AMD) grants. Further, he has published 100+ articles in peer-reviewed IEEE and ACM journals and conferences.    

He is an Associate Editor for IEEE Transactions on Computers and IEEE Transactions on Cloud Computing and he has been a co-Guest Editor for IEEE Transactions on Emerging Topics for Computing ('15-'16) and Journal of Parallel and Distributed (JPDC) ('10-'11). He was the co-Chair of the architecture track at IPDPS-2020 and vice-Chair of the EDA track at DAC-2021 and DAC-2022 conferences. He has served on the Program Committee of HPCA (2019), DAC (2018-19), NoCs (2016-19), MPSoC (2014-2019) ACM Nanocom (2016), Hot Interconnects ('10,’16,'17,'19) and external Program Committee for MICRO'12. He has served on multiple NSF panels and several departmental committees. He is the Senior Member of IEEE. 

Research Interests: computer architecture, parallel processing, chip multiprocessors (CMPs), network-on-chips (NoCs)

All Degrees Earned: Ph.D., Electrical and Computer Engineering, University of Arizona, 2006; M.S., Electrical and Computer Engineering, University of Arizona, 2003; B.E., Electronics and Communications, Manipal Institute of Technology, Mangalore University, 2000


  • Randy Morris, Avinash Kodi and Ahmed Louri, “Reconfiguration of 3D Photonic On-chip Interconnects for Maximizing Performance and Improving Fault Tolerance,” 45th Annual IEEE/ACM International Symposium on Microarchitecture (MICRO-45), Vancouver, BC, Canada, Dec 1-5, 2012.
  • Randy Morris and Avinash Kodi, “Exploring the Design of 64 & 256-core Power-Efficient Nanophotonic Interconnects,” IEEE Journal of Selected Topics in Quantum Electronics, vol. 16, no. 5, pp. 1386-1393, September/October 2010.
  • Dominic DiTomaso, Avinash Kodi, Savas Kaya and David Matolak, “iWISE: Inter-router Wireless Scalable Express Channels for Network-on-Chips (NoCs) Architecture”, 19th Annual IEEE Symposium on High-Performance Interconnects (Hot Interconnects), Santa Clara, California, August 24-25, 2011.
  • Avinash Kodi, Ashwini Sarathy, and Ahmed Louri, “iDEAL: Inter-router Dual-function Energy- and Area-Efficient Link design for Network-on-Chip (NoC) Architecture,” Proceedings of the 35th International Symposium on Computer Architecture (ISCA-35), pp. 241-250, Beijing, China, June 21-25, 2008.
  • Avinash Kodi and Ahmed Louri, “Performance Adaptive Power-Aware Reconfigurable Optical Interconnects for HPC Systems,” Proceedings on ACM/IEEE Conference on High-Performance Networking and Computing, SuperComputing (SC’07), Reno, Nevada, November 10-16, 2007.


  • NSF CAREER (2011-2016)

Gregory Kremer

Chair, Robe Professor
Fax: 740.593.0476
Stocker Center 253

Greg Kremer began his career as a mechanical design engineer for General Electric Aircraft Engines (1988-1993) before pursuing his advanced degrees. He joined Ohio University in 1998, where he has been chair of the Department of Mechanical Engineering since 2006 and teaches the program’s senior design capstone, "Designing to Make a Difference." Kremer, selected as a Carnegie Scholar for 2005-2006, participates in the teaching of learning with such projects as developing and assessing student achievement of professional skills outcomes — ABET accreditation board outcomes related to teamwork, communication, global/societal impact, ethics, lifelong learning, contemporary issues, and others. He is the department’s organizer for assessment and continuous improvement. Kremer is also advisor for the student chapter of the Society of Automotive Engineers, and other vehicle-related projects.

Research Interests: Mechanical design and new product development, Integrative Education & Community Engagement, Sustainable Energy and the Environment

All Degrees Earned: Ph.D., Mechanical Engineering, University of Cincinnati, 1998; M.S., Mechanical Engineering, University of Cincinnati, 1995; B.S., Mechanical Engineering, Rose-Hulman Institute of Technology, 1989


  • (book chapter) Kremer, G.G. "Designing to Make A Difference," included in the book Connected Science, Ferrett, T. and Geelan, D. editors. 2012.
  • Bayless, D.J., Kremer, G., Vis, M., Stuart, B., Shi, L., Cuello, J., Ono, E., “Photosynthetic CO2 Mitigation using a Novel Membrane-based Photobioreactor,” Journal of Environmental Engineering and Management, Vol. 16, No. 4, pp. 209-215, April 2006.
  • Kremer, G.G., “Enhanced Robust Stability Analysis of Large Hydraulic Control Systems via a Bifurcation Based Procedure,” Journal of the Franklin Institute, Vol. 338, No. 7, November 2001, pg. 781-809.
  • Kremer, G.G. and Thompson, D.F., “A Bifurcation Based Procedure for Designing and Analyzing Robustly Stable Nonlinear Hydraulic Servo Systems,” Proceedings of the Institute of Mechanical Engineers, (Vol 212 Part I), 1998, pp. 383-394.


  • Carnegie Scholar (2005); Robe Professor (2012); Russ College Outstanding Undergraduate Teaching Award (2010); Ohio University Outstanding Student Organization Advisor Award (2000); Ability One National Design Competition (multiple awards won by student teams I have mentored)

Something you may not know about me: Kremer loves to experience nature on foot or on a mountain bike. He has competed in 6 marathons, numerous 100 mile mountain bike races, and other endurance and adventure races. He's also very active in his church community.

Dale Masel

Chair, CASTLE Director, Professor
Stocker Center 272

Dale Masel has been a member of the Department of Industrial and Systems Engineering since 1998 and was named chair in 2018. Before becoming chair, he served the department in a variety of roles, including as undergraduate chair (2002-2018), accreditation coordinator (2000-2005), and adviser for the student chapter of the Institute of Industrial Engineers (1999-2002). He has also served the Russ College as adviser of the Engineering Ambassadors (2004-present) and an instructor for the engineering Learning Communities (2005-2017).

Since 2000, Masel has been co-Principal Investigator for a research project sponsored by General Electric to develop improved methods for estimating manufacturing costs. Areas of application for the methods include jet engines, gas turbines, and wind turbines. He has also been involved in a research collaboration with Geisinger Health since 2013 to develop improved supply chain management methods for hospitals.

Masel is a member of the Institute of Industrial and Systems Engineers (IISE), serving from 2013 to 2018 as co-chair of the Facilities Design and Planning Track at the IISE Annual Conference. He is also a member of the American Society for Engineering Education (ASEE), the Institute for Operations Research and the Management Sciences (INFORMS), the International Cost Estimating and Analysis Association (ICEAA), and APICS. From 2004 to 2013, he was also a member of the College-Industrial Council on Material Handling Education.

Research Interests: manufacturing cost estimation, distribution center design and management, supply chain management in health care

All Degrees Earned: Ph.D. Industrial Engineering, Penn State University, 1998. M.S., Industrial Engineering, Penn State University, 1995. B.S., Industrial Engineering, University of Toledo, 1993.


  • Winner of the CIEADH/IIE Innovations in Curriculum Award 2011

Deborah McAvoy

Associate Professor Civil Engineering
Stocker Center 122

Deb McAvoy joined Ohio University in 2007. She received her Ph.D. from Wayne State University after working as a civil engineering consultant for 11 years. While pursuing her doctorate, McAvoy worked as the lead research engineer for the Wayne State University Transportation Research Group. McAvoy's research interest is in highway safety, traffic engineering, traffic signal system optimization and progression, roadway design and human factors engineering. She has worked on projects for the Ohio Department of Transportation, Michigan Department of Transportation, the Federal Highway Administration, the United States Department of Justice, 3M, and other industry clients. As a part of these studies, she has conducted technical analyses for signal timing, congestion, crash, gap studies and has substantial experience in corridor progression and work zone safety analyses. She is a registered professional engineer in the states of Michigan and Ohio and certified as a Professional Traffic Operations Engineer through the Institute of Transportation Engineers.

Research Interests: highway safety, traffic engineering, traffic signal system optimization and progression, roadway design and human factors engineering

All Degrees Earned: Ph.D., Transportation Engineering, Wayne State University, 2007; M.S., Civil Engineering, Wayne State University, 2004; B.S., Civil Engineering, University of Detroit, 1994

Todd Myers

Chair and Professor, ETM Director of Workforce & Professional Development Russ College of Engineering and Technology
Stocker Center 125A

Todd Myers has 10 years of manufacturing experience in the automotive manufacturing industry. His responsibilities have included multi-plant materials management, ERP implementation, project management, and engineering management and lean implementations. His funded research has included RFID OEM capability studies, barcode robustness studies, value stream mapping, lean consulting, and manufacturing operations. His interests also include international studies. Myers is a three-time recipient of the Marvin E. and Ann D. White Russ College Departmental Research Award and departmental teaching award recipient.

Research Interests: RFID OEM capability studies, barcode robustness studies, value stream mapping, lean consulting, manufacturing operations

All Degrees Earned: Ph.D., Inst. Tech, Education Studies, Ohio University, 2007; M.B.A., 2001; B.S.I.T., 1988.


  • Myers, T. D. (2007). Learning outcomes for an engineering and technology public policy curriculum. Teaching Engineering and Technology Public Policy While Fulfilling Multiple ABET and University Requirements, Myers and Stuart, AC 2010-924: ASEE 2010 Annual Conference Louisville Ky.
  • “Globalization Issues In The Industrial Technology Transfer Supply Chain”, The IAJC-NAIT-IJME 2008 International Conference, A Refereed Paper 30% acceptance rate (Myers, T.), Nashville, TN., November 18, 2008.
  • “Manufacturing Centric Undergraduate Capstone Experience” American Society for Engineering Education, June 22- 25, 2008. The 115 Annual Conference Proceeding, A Refereed Paper (Myers, T. & Klein, P.) Pittsburg, PA, June 23, 2008.


  • Three-time recipient of the Marvin E. and Ann D. White Russ College Departmental Research Award. Recipient of the Marvin E. and Ann D. White Russ College Departmental Teaching Award. Epsilon Pi Tau Laureate recipient.

Something you may not know about me: Myers has taught university courses in France and Argentina. He has conducted business in Mexico, Canada, and Japan.

Darin Ridgway

Chair of Chemical and Biomolecular Engineering Associate Professor
Stocker Center 167B

Dr. Ridgway joined Ohio University after five years of teaching at Florida State University. He is the faculty advisor for the student chapter of the American Institute for Chemical Engineers, and a faculty leader for Ohio University's teams competing in the Waste-Management Environmental Research Consortium Design Competition.

Research Interests: Bioreactor Design, Multiphase Mixing, Mass Transfer

All Degrees Earned: Ph.D., Chemical Egnineering, Florida State University, 1990 -- MS, Chemical Engineering, Louisiana Tech University, 1985 -- BS, Chemical Egnineering, Rose-Hulman, 1983

R. Guy Riefler

Chair, Professor
Stocker Center 218

Guy Riefler joined the Department of Civil Engineering in September 2000 after completing his advanced degrees at the University of Connecticut. He has three years of environmental consulting experience at ENVIRON Corporation in Arlington, Virginia. Riefler investigates chemical and biological interactions that affect the transport and transformation of pollutants in the environment. This work typically entails the heavy use of analytical chemistry, molecular biology, and numerical modeling. Riefler's research currently focuses on phytoremediation, chemical and biological processes in acid mine drainage remediation, stormwater treatment, and algae growth for alternative fuels and sustainable housing. He is currently developing a process to treat acid mine drainage sustainably by converting the iron sludge into profitable paint pigment. He has served as the faculty advisor for the OHIO Engineers Without Borders group in Ghana and has also worked with students in the WERC and ASCE environmental design competition. He was awarded the ODNR Mining Awareness Educator Award in 2009 and the OHIO Transformative Teaching Award in 2011. He is a registered professional environmental engineer in the state of Ohio.

Research Interests: acid mine drainage treatment bioremediation, stormwater treatment, algae cultivation for biofuels and in house nutrient cycling

All Degrees Earned: Ph.D., University of Connecticut; M.S., University of Connecticut; B.S., Cornell University

Something you may not know about me: Guy Riefler enjoys golfing, camping, backpacking, skiing, soccer, and triathlons.