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STEM Symposium

The annual STEM (Science, Technology, Engineering, Mathematics) Symposium focuses primarily on public health and inter-professional collaboration. (Note: The symposium usually takes place in conjunction with Fall Festival, and was canceled because of COVID safety precautions in 2020. We hope to return in fall 2021.)

Free and open to the public, except for dinner for which advance registration is required.

2019 schedule

Friday, Oct. 11
1 p.m. Welcome and introductions Krehbiel Auditorium, Luyken Fine Arts Center
1:05 p.m.

Panel: Careers and Opportunities in STEM Fields – informal discussion with questions and comments from the audience 

  • Blake Johnson '09, Ph.D.
  • Martin Ratcliffe, M.Sc.
  • Aimee Voth Siebert '10, M.A.
Krehbiel Auditorium, Luyken Fine Arts Center
2 p.m.

Lecture and discussion — "How Atmospheres Evolve: Tiny Particles, Planet-Sized Impacts," Blake Johnson

Johnson received a bachelor's degree from Bethel in 2009 with majors in physics and mathematics. He completed his Ph.D. in atmospheric, oceanic and space sciences at the University of Michigan in 2018.

Krehbiel Auditorium, Luyken Fine Arts Center
3 p.m.

Lecture and discussion — "Reinventing the Mabee Observatory," Martin Ratcliffe

Ratcliffe has a degree in astronomy from University College London. He is the astronomer on staff with the planetarium company Sky-Skan, Inc., training planetarium staff worldwide. He is a Fellow of the Royal Astronomical Society and the International Planetarium Society (IPS) and a former president of IPS. He writes a monthly "Night Sky" column for Astronomy magazine and is a faculty member in the Cohen Honors Department at Wichita State University.

Krehbiel Auditorium, Luyken Fine Arts Center
3:30 p.m. Symposium reception

Refreshments, opportunities to meet the speakers, informal discussion

Robert W. Regier Art Gallery, Luyken Fine Arts Center

5:30 p.m.


7 p.m.



7:30 p.m. 


By advance registration only

Lecture, part 2

Martin Ratcliffe, "Reinventing the Mabee Observatory" continued, in preparation for using the telescope

Telescope demonstration

Lounge, Mantz Library


Krehbiel Science Center Room 016 (lower level)


Mabee Observatory, Krehbiel Science Center 4th floor

Saturday, Oct. 12
9 a.m.

Lecture and discussion — "Channeling Human Energy: Applying Psychology and Behavioral Health Principles to Disasters," Aimee Voth Siebert

Voth Siebert received a B.A. from Bethel in 2010 with majors in psychology and communication arts, and has an M.A. in international disaster psychology from the University of Denver. She is currently the behavioral health and inclusion worklead for the Office of Emergency Preparedness and Response of the Colorado Department of Public Health and Environment in Denver. She has developed multidisciplinary emergency knowledge and experience in both domestic and international settings.

Chapel, Ad Building
10-11 a.m. Coffee/reunion

Coffee and other refreshments for STEM alumni, students and guests (biology, chemistry, computer science, mathematics, natural sciences, physics, psychology)


About Bethel

As the first Mennonite college founded in North America, Bethel College celebrates a tradition of progressive Christian liberal arts education, diversity within community, and lifelong learning.