Eric Brink

Eric Brink

Shell Catalysts & Technologies

LinkedIn Profile

Eric Brink is originally from Estherville Iowa and still comes back to the family cabin on Great Spirit Lake every summer.  Eric graduated from the University of Iowa with a BS in Chemical Engineering in 1978, followed by a degree in Industrial Hygiene from Texas A&M in 1980.  Eric's Dad, Uncle, Grandmother, 2 Cousins, Brother, and now his Nephew all attended the University of Iowa. 

Eric worked for 40 years in various Health, Safety, and Environmental positions starting with Rohm and Haas, continuing on with Raychem and Tosco, and finally retiring from the Shell Oil Company in early 2021.  Although Eric didn't work a single day as a Chemical Engineer in his career, that degree was the front door that opened so many professional opportunities. 

Eric and his Wife (Gayle Vassar) live in Genoa Nevada (near Carson City/Lake Tahoe). Gayle and Eric love to travel, hike, watch live theater, engage in meaningful volunteer work, indulge our love of our dogs and cats, and maintain a meaningful presence in the lives of our extended family. 

Eric has served on the CBE Advisory Board since 2020 and has participated in the last 2 Sharon Tinker Process Safety Competitions.  He loves coming back to Iowa City, giving back to the College of Engineering, and maintaining a Student Always focus.

mark arlinghaus

Mark Arlinghaus

General Mills

LinkedIn Profile

Mark Arlinghaus is a Senior Principal Engineer at General Mills, Inc. where he designs food processing systems. His roles include equipment design, analytical method development, process control, intellectual property management, and regulatory affairs. Mark is a prolific inventor working in diverse fields including coffee roasting, robotics, machine vision, packaging equipment, fats and oils production, grain processing, and analytical chemistry. He has 9 United States patents and many employer-recognized trade secrets. He received the General Mills Inventor of the Year award and was an invited speaker at PITTCON 2019. Mark received his B.S. in Chemical Engineering from The Ohio State University in 1996.  In addition to his service on the advisory board, Mark is former chair of the Upper Midwest Section of AIChE.

Although he did not attend the University of Iowa, he has been deeply impressed by the spirit of comradery and welcoming atmosphere of the CBE department. Through his service on the CBE advisory board, Mark hopes to provide perspective on the aspects of the curriculum that are most valuable for practicing engineers.

Alex Olson

Alexandra Olson Carlson

Caspers Law Firm

LinkedIn Profile

Alex is a partner at the law firm of Carlson Caspers in Minneapolis, where she practices intellectual property law with an emphasis on patent and trade secret litigation and licensing. She draws on her engineering background to represent clients in the pharmaceutical, medical device, and agricultural industries.

Alex earned her B.S.E. in chemical engineering from the University of Iowa College of Engineering in 2006 and her J.D. from the University of Iowa College of Law in 2009. 

Alex has extensive experience defending generic pharmaceutical companies in Hatch-Waxman ANDA litigation, as well as significant experience representing companies in various types of patent, trademark, and trade secret disputes.  In addition to her litigation practice, Alex also drafts and negotiates IP-related agreements, including patent licensing and research collaboration agreements.

Jason Clapper

Jason Clapper

3M Corporate Research Materials Laboratory

LinkedIn Profile

Jason Clapper is a Staff Scientist in the Corporate Research Materials Laboratory of 3M where over the past 15 years he has had numerous technical roles and is currently leading a team of scientists in the development of new materials and technology in the fields of soft materials and adhesives.  Over this time, he has had the great fortune to develop and take several new concepts from the bench into large scale commercial products, is co-inventor on over 35 US issued patents, and has presented fundamental work at numerous conferences and trade organizations.  Jason received a BS in Chemical Engineering from Montana State University in 2003 and graduated from the University of Iowa with a PhD in Chemical Engineering in 2007 specializing in polymer chemistry and photopolymerization under the direction of Professor Allan Guymon.  He is an active member of the Adhesion Society as well as the Pressure Sensitive Tape Council trade association. 

Jason and his wife Stephanie (fellow ChE / Hawkeye / advisory board member), live in the Twin Cities with their two daughters where they enjoy camping, biking, and skiing while also taking advantage of all the activities a “big” city offers. 

Stephanie clapper

Stephanie Clapper

Seager, Tufte, & Wickhem

LinkedIn Profile

Stephanie (Winter) Clapper is a registered patent agent in the intellectual property law firm of Seager, Tufte, & Wickhem and is based in the firm’s Minneapolis, Minnesota office.  Stephanie provides support to the firm's attorneys for the preparation and prosecution of domestic and international patent applications encompassing a variety of mechanical and chemical technologies, including medical devices.  Prior to joining Seager, Tufte, & Wickhem in 2007, Stephanie worked as a manufacturing engineer at John Deere.  Stephanie received her B.S.E. from the University of Iowa in Chemical Engineering in 2005.

Stephanie and her husband, Jason, live in Lino Lakes, MN with their two daughters.  In her free time, she enjoys spending time outside with her family, biking and hiking.

James Davoux

James Davoux

Abbott Laboratories/ AbbVie

LinkedIn Profile

Jim Davoux graduated from the University of Iowa with a BS in Chemical Engineering in 1998 and began his career as a refinery engineer with Marathon Oil.  He then moved into the pharmaceutical industry where he has worked for Abbott Laboratories and now AbbVie for 19 years.  He has held varying positions in manufacturing active pharmaceutical ingredients, project engineering, utilities, and EHS.  He is currently the director of global energy management and environmental sustainability for AbbVie.

Jim and his wife Barb live in Green Oaks, Illinois and have two daughters. He has served on the University of Iowa CBE Advisory Board since 2017. He is excited to directly give back to the Chemical Engineering department; the opportunity to be on the advisory board is a tangible way to pay it back and pay it forward. 

Erica Diehl

Erica Diehl

Hall and Hall Engineers, Inc.

LinkedIn Profile

Erica Diehl is a licensed engineer and has worked at Hall and Hall Engineers, Inc. in Hiawatha since 2016.  She previously spent ten years at HR Green, Inc.  She graduated from The University of Iowa in 2004 with a Bachelor’s of Science in Chemical Engineering, and went on to earn a Master of Science degree in Environmental Engineering from Tufts University.  Erica has spent her career designing water and wastewater distribution and collection systems, and treatment plant improvements for eastern Iowa communities.  She sees projects from the preliminary report phase through design and construction.  Erica's ongoing service to the department include presenting at a undergraduate seminar and serving on the advisory board since 2019.

Erica and her husband, Ben, live in Robins, Iowa and have four children. Through her service on the CBE advisory board, she enjoys being able to stay in touch with the students and help the program provide students with the tools they need to be successful after graduation.  Erica believes that it cannot be stressed enough the diversity of opportunities available to chemical engineers. The tools learned through the curriculum can be applied to various industries and processes; Chemical engineers can apply their skills to anything they are truly passionate about.

Jennifer Garfield

Jennifer Garfield 

ExxonMobil Chemical

LinkedIn Profile

Jennifer Garfield is from Boone, Iowa and graduated from the University of Iowa with a B.S. in Chemical Engineering in 1991, where she was involved in Marching Band, Tau Beta Pi, and Sigma Kappa sorority.  In the Chemical Engineering department, she was also a teaching and research assistant for Professor Murhammer. Jennifer has been with ExxonMobil Chemical Company for more than 27 years, starting as a process engineer at the Baytown, Texas manufacturing facility. She has held varying positions in steam cracking and aromatics processes, which included a 3-year assignment in Singapore to support the construction and startup of a $2B chemical complex. Jennifer also spent several years in quality management systems / ISO9001, business process management, and driving/implementing IT projects to support the business and customers. She is currently the lead product integrity advisor, providing global expertise on Product data Lifecycle Management (PLM) processes, and associated digital enablement.

Jennifer and her husband, Rich, live in Houston, Texas and have a son and daughter. She has served on the University of Iowa CBE Advisory Board since 2014 and feels that hearing from students keeps her connected to the concerns and motivations of the younger generation. Through her service on the advisory board, Jennifer has enjoyed re-building her ties to the University of Iowa and the College of Engineering and reflecting on how U of I provided her with a strong foundation. She believes that a degree in chemical engineering provides a wide variety of career options and can lead to a successful, enriching career.

John Kessler

John L. Kessler

Pioneer

LinkedIn Profile

John L. Kessler graduated from The University of Iowa in 1981 with a B.S. degree in Chemical Engineering, and worked a wide range of engineering, operations, research & development, and business roles within DuPont for 35 years (including Pioneer Seeds as final assignment). John also earned a Masters Degree in Chemical Engineering from the University of South Carolina in 1985 and a Masters in Business Administration Degree from the University of Delaware in 1998. John is a lifelong member of AICHE and was a registered professional engineer in Iowa and several other states. John’s primary role at DuPont was as a Global Engineering Manager at Headquarters and at other global locations, where he was in charge of providing and developing the engineering resources that created and sustained competitive supply chains for DuPont all over the world, including working and living experience in Asia for 9 years. John earned two DuPont Engineering Excellence Awards over his career and retired from DuPont in 2016.

He and his wife now live in Coralville, Iowa. They have two daughters who graduated from University of Iowa medical programs and have 5 grandchildren. John teaches a UI CBE short course on High Level Capital Project Management Overview, provides feedback on the CBE senior design class presentations, mentors CBE students, and is a local experienced engineering resource for the department.

chris holding test tube

Chris Krohe

Chris Krohe is currently a Manufacturing Technology Engineer at 3M with over 12 years of experience developing, scaling-up, and improving specialty polyesters and other polymeric materials for 3M’s film extrusion platforms.  At 3M, Chris has had the privilege to work with a great number of people to help support the transfer of new products and technologies from 3M’s labs to manufacturing.  He is a co-inventor on three issued 3M patents. 

Chris received his B.S.E. in Chemical Engineering from the University of Iowa in 2010 and a M.S. in Polymer Science from Lehigh University in 2016.  He is a member of the Society of Plastic Engineers (SPE) and the American Institute of Chemical Engineers (AIChE).  He is originally from Crystal Lake, IL and currently resides in Minneapolis, MN. 

William Liechty

William (Bill) Liechty

The Dow Chemical Company

LinkedIn Profile

William (Bill) Liechty is the University Collaboration Scientist in External Technology, Core R&D at the Dow Chemical Company. In this role, Bill provides strategic oversight of Dow’s university project portfolio.

He is responsible for ensuring a robust pipeline of innovation projects with leading universities by identifying promising technologies, scouting new partners, and by selecting, shaping, and executing collaborative projects to deliver value to Dow. Bill joined Dow in 2013 and was responsible for process development in the novel Designed Particle Morphology (DPM) platform technology in the METHOCEL™ cellulose ether product line. Bill led the process to deepen understanding of relationships between process, particle properties, and product application performance for new cellulose ether products with novel size and shape combinations, including METHOCEL™ DC2 and WELLENCE™ SmartFry.

He also collaborated closely with cross-functional business teams to drive a new portfolio of innovation and asset flexibility opportunities in the DPM platform. Bill has co-authored over 14 internal research publications, 10 peer-reviewed journal articles, and presented at numerous domestic and international conferences. He is a member of the American Institute of Chemical Engineers (AIChE) and has recently been recognized as a recipient of the “35 Under 35” AIChE Award. Bill received his PhD in Chemical Engineering from The University of Texas at Austin in 2013, earned an M.Phil in Chemical Engineering as a Gates Scholar at Cambridge Univeristy in 2008, and received a B.S.E. in Chemical Engineering from the University of Iowa in 2007.

Rhett Livengood

Rhett Livengood

Security Sales Business Operations  |  Sales and Marketing Group Data Center & AI

Intel® Corporation

LinkedIn Profile

Rhett Livengood is Intel’s WW Director of Data Center & AI Sales Enabling working across all software and hardware security products to establish a Center of Excellence for partners and customers. He was most recently, global Director of Digital Business Enabling working with solution providers (system integrators, IT outsourcers, resellers, managed service providers) to integrate Intel technology into customer workplace transformation solutions. Rhett was Intel’s WW B2B Customer Engagement Director managing lead generation activities, Intel’s Enterprise and Channel Board of Advisors, and online sales development working targeting Global 5000 enterprises and SMB customers worldwide.

During his career in the IT industry, Rhett has managed regional and worldwide sales and marketing for Intel’s Services group. He was Worldwide Marketing Manager for Intel’s Software group and Product Marketing Manager of Intel’s Mobile Computing Group and held marketing and engineering positions in Intel’s memory, processor, software, and platform divisions. He was worldwide Director of Marketing at Lam Research. Rhett began his career as a design engineer at Honeywell.

Rhett holds a BS degree in Chemical and Materials Engineering from the University of Iowa (UI) where he received a Distinguished Alumni Award and is currently a member of the College of Engineering Advisory board. He was founding president of Omega Chi Epsilon, past president of AIChE, and member of Omicron Chapter of Theta Tau at UI. Rhett is currently a national officer in Theta Tau.

Rhett has an MS degree in Electronic Materials Process Engineering from the University of California, Berkeley. He is an Intel Achievement Award winner and a past board member of the Center for Customer Engagement. Rhett resides with his wife and three children in Silicon Valley in Los Altos, CA.

Leroy Magwood

Leroy Magwood, Jr.

XG Sciences

LinkedIn Profile

Leroy Magwood is the Director of Materials Engineering at Niagara Bottling where he is responsible for the management and development of core beverage technologies in the areas of sustainability, material system design and material process implementation.  Prior to Niagara, Leroy has held roles as a CTO, Product Manager and Consultant all focused on delivering commercializable products and driving value for the businesses that he has had the pleasure of work with.  
Leroy received a BS. in Physics for Benedict College in 2004 and graduated from the University of Iowa with a Phd in Chemical Engineering in 2009 specializing in UV photopolymerization under the direction of Alec Scranton and Christopher Coretsopoulos.
Leroy and his wife Jessica (Graduate of University of Iowa Department of Chemistry), live in Rancho Cucamonga, CA with their two daughters and one son.  

Thomas Marriott

Thomas Marriott

Air Products/Hawkeye Consulting Services

LinkedIn Profile

Tom Marriott earned his B.S. in Chemical Engineering at the University of Iowa 1968. He then worked in the process chemical industry, primarily in manufacturing, for 36 years. This includes about 15 years as a senior Safety, Operations and Engineering manager for international division of a fortune 500 industrial gas and chemicals company. Tom retired in 2004 and has been serving on the U of I CBE Advisory Board for several years. He earned a Distinguished Alumni Award at U of I for establishing a Mentoring Program in CBE, and he routinely gives presentations in Process Safety classes and Professional Seminars in CBE.

Tom is eager to contribute his industrial experience through his service on the advisory board and believes that his U of I education in chemistry and chemical engineering unit operations provided a great base for him to have a successful and rewarding career in chemicals manufacturing.

Aaron Marrow

Aaron Morrow

Johnson Manufacturing

LinkedIn Profile

Aaron Morrow (BS Chemical Engineering, Iowa '04 and MBA, Iowa '15) began his career with Johnson Manufacturing Company in Princeton, Iowa as Production Manager.  After eight years he advanced to Technical Sales Manager and returned to Iowa for his MBA. He is currently the General Manager of Johnson Manufacturing and is the President of the Board for NARSA: The International Heat Transfer Trade Association. 

Aaron and his wife Lisa live in Davenport with their two daughters.  He is an avid runner, a season ticket holder for Hawkeye Wrestling, serves on the board for Acacia Fraternity at Iowa and has served on the University of Iowa CBE Advisory Board since 2016. Aaron feels it is rewarding to see the department, college, and university that helped him become successful in his career path continuing to inspire, motivate, challenge, and improve the students of today.

Kirsten Riley

Kirsten Riley

Monsanto

LinkedIn Profile

Kirsten (Carlson) Riley graduated from the University of Iowa with a BS in Chemical Engineering in 2000 and began her career as a project engineer at Monsanto Company's Muscatine, Iowa agricultural chemical manufacturing facility.  After holding production and process engineering roles, Kirsten moved into manufacturing leadership roles, leading both production and service manufacturing groups.  She is currently a Roundup manufacturing Business Unit Leader at Monsanto's Luling, Louisiana manufacturing plant.  Kirsten also holds a Masters in Business Administration from St. Ambrose University.

Stacy Ross

Stacy Ross

Bayer Animal Health

LinkedIn Profile

Stacy Ross (BS Chemical Engineering Iowa '08 and PhD Pharmaceutics Iowa '13) began her career at Pfizer Animal Health / Zoetis in Kalamazoo, MI  She was a Senior Scientist in the Formulation group and then Principal Scientist. After about 4 years, she moved to Bayer Animal Health in the Kansas City area to lead the Formulation group in the US. In the past 2.5 years she managed formulation and pilot plant areas, then took on the Manager, Pharmaceutical Development role that included formulation, pilot plant, and analytical (GMP included).  This past August she took on a new role as Manager, Pharmaceutical Development-Drug Discovery and Product Innovation Interface.  In this function she helps early Discovery teams consider properties of molecules that may lend toward less complex formulations and assesses feasibility of innovation ideas. 

This role is remote from home office and Stacy and her family have moved back to the Iowa City area to be by family. She and her husband Nathan have three kids at home (son 6 and twin daughters 3), 3 dogs, and lots of wildlife on their acreage.  Stacy has served on the University of Iowa CBE Advisory Board since 2019.

Tim Wessel

Tim Wessel

Emerald Performance Materials

Tim received his BS (1986) and PhD (1992) from the University of Iowa’s chemical and biochemical engineering department and is currently retired.  He worked for Monsanto and Emerald (former B.F. Goodrich Chemical Company) in various process engineering roles and then went on to lead a variety of businesses ranging in size from $100 million to $1 billion.  In addition to the Advisory Board, Tim has acted as an industry expert during Senior Project Design presentations and has served as a judge for several department and engineering college poster presentations.

Through his advisory board service, Tim is eager to share industry knowledge and experience with students to help them prepare for their career.  He also brings an "industry point of view" to the department. Tim believes earning a chemical and biochemical degree at the University of Iowa provides an excellent launch pad for a successful career.  The size of the department allows students to gain a personalized education experience while enjoying the benefits of being part of a large university.