Sustainable Development Division Board of Directors

Gregory Weisenborn

Gregory Weisenborn, President

Dr. Weisenborn is an associate professor of operations management in the Department of Management at Fort Hays State University. His full-time consulting experience includes more than five years of client engagements involving service and manufacturing operations efficiency and effectiveness, business process mapping and other activities related to information-system implementation. Greg has been a member of the IISE since 1994, and a leadership-team member of the Sustainable Development Division of IISE since its founding. Dr. Weisenborn's research interests include synergy between lean and sustainability, allocation of scarce resources, productivity and ergonomics in patient handling and movement, organizational alignment and college-student learning styles.


Curtis Bush

Curtis Bush, Immediate Past President 

Education: Ambassador University, The University of Illinois at Urbana-Champaign
Bachelor's degree, liberal studies
Bachelor's degree, industrial engineering
Master's degree, industrial engineering

Curtis has more than 14 years of professional experience in operations and supply chain optimization while at Grass Valley, an elite video broadcasting manufacturer. Currently he is the senior project developer for Mercy Ships, an international nonprofit organization based in Lindale, Texas, that delivers hope and healing through a state-of-the-art hospital ship.

IISE Involvement: Curtis has been a member of the Institute of Industrial and Systems Engineers since 1995, serving as the Applied Solutions Sustainability Track Co-Chair in 2012 and 2013, the Applied Solutions Sustainable Development Track Chair in 2015 and 2016, and he's been a Sustainability Division board member since 2012.

Awards: Curtis was selected as a Knight of St. Patrick, the highest honor in the College of Engineering at the University of Illinois.


Nelson Granda

Nelson GrandaPresident-elect

Nelson is currently an Assistant Professor at Western Carolina University. He has a PhD in Philosophy and Industrial and Systems Engineering from the University of Tennessee-Knoxville. He has a Master’s Degree in Manufacturing Engineering, with a concentration in Industrial Automation Systems from the Polytechnic University of Puerto Rico. He has a B.S. in Electrical Engineering with a specialization in Control Systems, and a certification in Project Management from the University of Puerto Rico at Mayaguez, where he worked as an instructor at the Automation and Robotics lab of the Industrial Engineering department. His work experience in Aerospace includes IAS Puerto Rico, a United Technologies Corporation (UTC) affiliate, working on the Boeing 787 Dreamliner and PW F-135.

IISE Involvement: Previously, Nelson was a student board member for the Sustainable Development Division from 2013-2014, and was the ISERC Track co-chair for the past 3 years.


Katherine GrootKatherine Groot, board member 2014-2017

Education: The Ohio State University
Bachelor's degree, industrial and systems engineering, 2012

Kate Groot is a Senior Process Improvement Specialist at Nationwide Children's Hospital doing process improvement work in a healthcare setting, with prior process improvement experience in retail and distribution center environments. She previously spent time at West Monroe Partners, where she helped organize community service events and women’s committee activities, to increase the company’s involvement in sustainable practices. Kate's other interests include IE as it applies to government, healthcare and making systems socially and environmentally sustainable. 

IISE Involvement: Kate has been involved since the creation of the Sustainable Development Division, she has also been a conference presenter as well as initiated and planned the last two years of the volunteering event at the annual conference. Kate Previously did communications for the work systems division, and has been an IISE member since 2010 with involvement in the Ohio State University chapter and Columbus Chapter No. 1.


Hulya Yazici

Hulya Julie Yazici, board member 2015-2018

Hulya Julie Yazici is currently an associate professor of information systems and operations management at the Florida Gulf Coast University, Lutgert College of Business. She holds a B.S. in mining engineering, and a M.S. and Ph.D. in engineering management. Dr. Yazici has been a member of the Institute of Industrial and Systems Engineers (IISE) since 1991 and involved regularly with IISE conferences as speaker, panelist and session facilitator. Dr. Yazici is a president appointed member of the Environmental Sustainability Committee at Florida Gulf Coast University, a STAR Gold rating institution with LEED certified buildings. She is an active researcher in the area of corporate sustainability and project maturity in green businesses.


Tiffany (Tiff) CremerTiffany (Tiff) Cremer, board member 2016-2019 

Tiff Cremer is an industrial engineer seeking to create the intersection of IE, sustainability, and people. She is currently an Innovation & Design Engineer with Amazon in Seattle, where she designs lean manufacturing systems, and spends as much time outdoors as possible! Previous to her adventures in Seattle, Tiff has been an industrial engineer and operations manager in both paid and volunteer roles around the United States. When not volunteering with IISE, you'll find Tiff finding new ways to green her life, connecting with good people, high-fiving strangers, and always seeking out new adventures. Tiff has been a member of IIE/IISE since 2006, and is currently the Mentoring Program Lead for the IISE Industrial Advisory Board.


Ricardo Thierry Ricardo Thierry Aguileraboard member 2017-2020

Dr. Thierry-Aguilera is an industrial and systems engineer and holds a Manufacturing Systems M.S. and an MBA all from Tecnologico de Monterrey. Has been a member since 1987 and a senior member of the IISE since 1989, he works as the Graduate Advisor for the Industrial Engineering Program at Tecnologico de Monterrey Mexico City Region. His experience include 10 years in industry working in the Autoparts Sector in Logistics and Marketing Areas. He worked for the NSF Ergonomics Center at Texas A&M where he studied his Ph.D. From 2014 through 2017 have served as Track Chair for the Sustainability Division in the ISERC. His interest in Sustainability keeps ground in Work Design, Logistics and Social entrepreneurships. Ricardo has also designed several executive education programs for private industry and government across Latin America. At present time he also serves as the President of the National College of Industrial Engineers of Mexico.  


Andres AceroAndres Acero, student board member 2017-2018

Andrés is a doctoral student of engineering at Universidad de los Andes, Colombia. He has a MSc on industrial engineering and is an industrial engineer and a computer engineer. His research interests lie in the area of applications of industrial ecology, social network analysis, machine learning and systems science, ranging from theory to modelling to implementation. His work is related with social systems engineering in rural and vulnerable areas towards sustainable consumption and life quality improvement. Andres is also an active member of the World Organization of Systems and Cybernetics and Engineers without Borders Colombia.


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