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Chris Nolting has been a Visiting Assistant Professor of Physics at Gustavus since 2023. In his classes, he focuses on including many worked example problems and opportunities for hands on learning in groups, and as many physics demonstrations as possible. As a computational astrophysicist, he enjoys showcasing examples related to astronomy whenever possible. His research focuses on the study of galaxy cluster environments and powerful jets from active galactic nuclei, supermassive black holes at the centers of galaxies that accrete matter and power some of the brightest objects in the universe. This work is mainly done through numerical simulations on compute clusters and supercomputers using up to tens of thousands of processors simultaneously. Gustavus students working on research with Chris learn coding languages and data visualization techniques, and even 3D print some of the structures they simulate.

Chris is the faculty advisor to the Society of Physics Students and the Gustavus Engineering Club.

Outside of Gustavus, Chris a self-identifying nerd. He is a lover of board games, magic the gathering, Marvel movies, anime, and going on walks with his dog.
 

Tara Cadenhead serves as the Instructor of the Practice in Entrepreneurship and Innovation, where she is also the Director of the Center for Innovative & Entrepreneurial Leadership (CIEL). A Gustavus alumna herself, Tara brings a unique blend of high-level corporate strategy and "maker" entrepreneurship to the Hill, providing students with a practical roadmap for turning creative ideas into sustainable ventures.

Tara’s teaching is informed by nearly two decades of leadership in the corporate sector. During her tenure at FICO, a leading provider of analytics and CRM software, she led talent management and organizational change initiatives, specializing in aligning human capital with strategic business goals. Later, at Target Corporation, she served as a key advisor to Supply Chain leadership, and then played a strategic communication and change leadership role in launching a new enterprise-wide talent system and related processes for a workforce of more than 70,000 users.

In addition to her corporate background, Tara is the founder of Marquess Studios, a creative venture based in Stillwater, Minnesota, that emphasizes intentional design and community-focused commerce. Experience as a small business owner allows her to mentor students with authentic insights into brand storytelling, lean product development, and the resilience required to launch a startup.

In the classroom, Tara emphasizes experiential learning and vocational discovery. She views entrepreneurship as a multidisciplinary mindset relevant to every major, from the fine arts to the hard sciences. Her courses function as laboratories where students are encouraged to iterate, take calculated risks, and solve complex problems through "failing forward."

As the Director of CIEL, Tara spearheads initiatives that foster a culture of innovation across the entire campus. She oversees the Gustie Cup, the college’s premier entrepreneurship competition which offers significant seed money prizes across "Scalable" and "Sustainable" categories. In this role, she mentors student founders through intensive Start-Up Labs and 1:1 consulting sessions, while engaging alumni and industry experts to enhance the viability of students' plans. Gustie Cup winners have advanced as semi-finalists in the statewide Minnesota Cup. Her service extends to the regional entrepreneurial ecosystem, where she builds bridges between Gustavus and Minnesota’s business leaders, alumni mentors, and economic organizations, and recently represented Gustavus on an International Economic Development trip to Ireland.

Outside of her work at the College, Tara is deeply committed to community-driven service and regional development. She is most interested in exploring public-private partnerships to maximize social and economic impact. Tara is a founding Board member for Connect Lake Elmo, where she helps guide initiatives that enhance local connectivity and economic vitality. Her dedication to service is further highlighted by her previous involvement with Rotary International, various non-profit organizations, and was recently nominated as "Volunteer of the Year" by the Stillwater Area Chamber of Commerce. When not mentoring the next generation of innovators and entrepreneurs, she enjoys traveling, cooking, gardening, and spending time with her family.  

A Minnesota native, Steve Mellema received his undergraduate degree (with majors in physics and mathematics) from Gustavus Adolphus College in 1972. Following his graduation, he spent six years in Malaysia as a teacher and trainer with the United States Peace Corps. He subsequently attended graduate school at Ohio University, receiving a Ph.D. in experimental nuclear physics in 1983. 

Following postdoctoral positions at Ohio University and the University of Wisconsin, he joined the faculty at Gustavus in 1986. He taught in the physics department through 40 years of graduating classes, and also served three terms as chair of the department. 

As an active member of the American Association of Physics Teachers, Steve incorporated the results of physics-education research into his own teaching of physics for more than three decades, including peer instruction, cooperative-group problem solving, computer simulations, and studio methods. Steve was fortunate to receive two Fulbright Scholar appointments to Malaysia, and used them to bring some of those advancements in physics pedagogy to his adopted "second home'", teaching at the School of Physics at Universiti Sains Malaysia in Penang. 

Over the years, he has also led four study-abroad courses taking Gustavus students to visit and study Malaysia. Steve retired from active teaching in 2025, and is currently a Research Professor of Physics. 

Espen Fredrick is a Visiting Assistant Professor of Physics. A 2021 Gustavus alumnus, Dr. Fredrick earned his Ph.D. in Physics from the University of Texas at Arlington in 2025 before returning to the college, bringing with him a strong commitment to undergraduate education and student-centered research.

In the classroom, Dr. Fredrick emphasizes preparing students for future careers in science and related fields through a teaching philosophy centering on helping students develop the habits needed for independent problem solving. His favorite courses to teach include electromagnetic theory and quantum mechanics, where he enjoys helping students contextualize new mathematical formalisms to build their own physical intuition.

Dr. Fredrick’s research focuses on space plasma physics, particularly the interaction between the solar wind and Earth’s magnetic field. His work aims to improve predictions of how and when solar wind disturbances impact near-Earth space, contributing to a broader understanding of space weather and its effects on technological systems. At Gustavus, he is interested in involving undergraduates in research that emphasizes the accessibility of computational physics and empowers students to conduct meaningful research beyond traditional settings.

Beyond teaching and research, Dr. Fredrick currently assists students who operate the Olin Observatory, helping them gain hands-on experience with astronomical instrumentation. He values close collaboration with students and sees mentoring as one of the most rewarding aspects of his role. He is excited to help students grow as scientists, problem solvers, and future leaders.

Rebecca Taylor Fremo (Professor of English) earned her Ph.D. in Rhetoric and Composition at Ohio State University after completing her BA and MA in English at Virginia Tech. In the nearly three decades she’s spent at Gustavus, she’s served as English department chair, English co-chair, Director of Writing Across the Curriculum, and Director of the Writing Center. But Fremo’s real passion is teaching writing, and she’s been awarded the Edgar M. Carlson Award and the Swenson and Bunn Award for this work. Fremo likes nothing better than rolling up her sleeves and sitting side by side with student writers as they work through the challenges of sharing their stories. Fremo has published a variety of scholarly essays about teaching writing, but she’s most excited about her work as a creative writer. She recently completed a memoir titled Controlled Burn, which applies her observations as a gardener to her experiences raising three neurodivergent sons. Her poems and essays appear in journals including Mud Season Review, Mankato Magazine, Full Grown People, Paper Darts, and Water~Stone Review. She is also the author of one collection of poetry, Moving This Body, and a chapbook of poems titled Chasing Northern Lights. When she’s not at work, she’s probably in her garden or daydreaming about her next visit to the North Shore. She’s originally from Richmond, Virginia and still dreads the Minnesota winters–but the summers are worth it! 
 

Get answers to common questions and myths about Gustavus Counseling Center services, confidentiality, appointments, and what to expect during your visit.

Mr. Tengwall is a visiting professor in the Department of Business & Economics, where he engages students on a range of topics including Management & Leadership, Business Models & Growth Strategy, Sales & Marketing, and Supply Chain/Operations Management. He also serves on the Boards of two companies and provides management consulting services to a range of businesses.

Previously, Mr. Tengwall had a 12-year career with the Marmon Group, a Berkshire Hathaway Company. During this time he was President of EcoWater Systems LLC (2019 – 2024), a leading North American manufacturer and marketer of residential and light commercial water softening and filtration systems. Prior to that, he was president of Marmon Food & Beverage Solutions Group (2013 – 2019), which was comprised of two different businesses, Marmon Link and Marmon Renew. Marmon Link (previous dba 3Wire Group Inc) is a provider of parts, training and service for foodservice and beverage dispensing equipment. Marmon Renew is a re-manufacturer of commercial beverage dispensing and related foodservice equipment.

Prior to his executive leadership roles with Marmon/Berkshire Hathaway, he had a 17-year career with Ecolab (NYSE: ECL). There he held several progressively more responsible leadership roles in the Institutional and Food & Beverage operating divisions. He led the marketing function for both business segments and engaged in multiple acquisitions as part of the overall business growth strategy.

Mr. Tengwall began his career as a microbiologist in the Sterilization Technology & Process Control Validation group at The Upjohn Company (now Pfizer). He then pivoted into marketing and business development roles with IMI Cornelius Inc., a subsidiary (at the time) of IMI plc.

Brenda S. Kelly, PhD serves as the Provost and Dean of the College. Since joining the institution in 2002, she has transitioned from a dedicated classroom instructor and researcher to a pivotal administrative leader, overseeing the academic mission and student experience of the college, with oversight of academic affairs, student life, and athletics.

Dr. Kelly obtained a BS in Chemistry at Creighton University in 1995. She later earned her PhD in Medicinal Chemistry from the University of Washington, followed by a post-doctoral fellowship at the Medical College of Wisconsin. Her scholarly expertise lies at the intersection of biology and chemistry, with a specific focus on enzymology, protein structure and function. Dr. Kelly and her undergraduate research students explored the kinetic and structural characterization of gamma-glutamylcysteine ligase, an enzyme vital for glutathione synthesis. She and her student co-presented at regional and national conferences such as the Midstates Consortium for Mathematics and Science and Experimental Biology. Beyond the laboratory, she has gained recognition for her co-authored textbook, now in its second edition entitled: The Science of Cooking: Understanding the Biology and Chemistry Behind Food and Cooking.

Since assuming the role of Provost in 2018, Dr. Kelly has led several transformative initiatives at Gustavus. She was instrumental in the implementation of the Gustavus ACTs Strategic Plan (2016–2026), and under her leadership the college has seen measurable success in improved student outcomes, including increases in student retention, securing of new faculty endowed positions, and curricular innovation, including comprehensive changes to the academic program.

Dr. Kelly’s influence extends into the broader higher education landscape. She serves on the Advisory Board for the Higher Education Recruitment Consortium (HERC), mentors new chief academic officers through the Council of Independent Colleges (CIC), and is a frequent presenter at national higher education meetings.

Cathy Harms is a Senior Continuing Faculty member specializing in Marketing, Digital Marketing, and Marketing Research, and holds the George B. Torrey Endowed Chair of Management Marketing. She is currently the Business and Economics Department Chair. She joined the Gustavus faculty in 2016, bringing extensive professional experience from careers in banking, product management, venture capital, and marketing management.

Her teaching philosophy is centered on preparing students for the professional world. All of her courses incorporate experiential learning, pairing student teams with non-profits and businesses to develop marketing strategies, conduct market research, or implement digital marketing campaigns. This approach allows students to build critical skills in teamwork, project management, communication, and problem-solving. The world of marketing is constantly changing, so she brings in several guest speakers each semester to share their journey and the current marketing careers.

Beyond the classroom, Cathy manages the Content Managers for the Business and Economics Department. In this role, she oversees the creation of content for the department's social media platforms, which targets prospective students and undecided undergraduates. The content highlights departmental events, features students and alums, and educates the audience on the value of a Business, Accounting or Economics degree.

Cathy is deeply passionate about advising students and guiding them in their preparation for life after graduation. She has actively partnered with the Career Development Center to promote their services to students. As a proud alumna of Gustavus, she remains actively involved as a Class Agent and maintains close friendships established during her freshman year.

In her free time, she enjoys playing piano at a local nursing home, playing pickleball and volleyball, biking, hiking, walking in the Linnaeus Arboretum, and traveling. Her favorite role is being Nana to her four grandsons.

Gustavus majors/minors in Economics learn about the macro and micro forces at the core of economic change, such as consumer demand, labor markets, and international trade, and the theories and methodologies essential to various markets, from sports to healthcare. It's a training ground for careers in finance and investments, and more. 

Environmental Studies majors/minors dig into the relationships between water, land, air, and life. You will think and create in multiple disciplines, learning about conservation, sustainability, and how to mitigate climate change. Explore sample courses and career areas, including conservation, sustainability, land use, and public policy.