Expand Your Mind Teacher Bios

MITY’s EYM educators come from around the state of Minnesota, united by their joy in working with bright, diverse young people. MITY teachers inspire their students to think critically, take risks, be their unique selves, and change the world around them.

Abdo Karimi

Abdomohammed Karimi

Karimi teaches math and AP Physics at Como Park High School in St. Paul.  He holds a BS ...
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Ann Francis-Gregg

Ann Frances Gregg

AFG is a theatre director and teacher at Mounds Park Academy in St. Paul.  She directs at Shakespeare ...
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AnnMarie-Froehle

Ann Marie Froehle

For the past 30 years, AnnMarie has taught all grade levels and types of science ranging from middle ...
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Caitlin Catalano

Caitlin Catalano

Cailtin earned a B.A. in History and a B.S. in Environmental Science and Policy from UC Berkeley, as ...
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David Quosig

David Quosig

David has been teaching high school science classes since 2008.  He holds a BS in Physics and Chemistry ...
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Elias Mamma

Elias Mamma

Dr. Mamma has been teaching AP/IB and General Chemistry classes at St. Paul Central High School since 2001.  ...
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Erik Brandt

Erik Brandt

Erik is a professional songwriter, musician, producer and former record label owner.  As a solo artist and as ...
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Gail Sarff

Gail Sarff

Gail coached debate for 33 years at Regis High School in Iowa and Wayzata High School in Minnesota.  ...
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Gayla Lindt

Gayla Lindt

Gayla is a curious person who loves learning new things. She especially enjoys learning alongside architecture students who ...
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Jim Tisel

Jim has been teaching and coaching for over 40 years, including two decades teaching abroad in Germany, the ...
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Karen Estrada

Karen Estrada

Karen has been a professional actress and educator since graduating in 2001 from the University of Wisconsin-Stevens Point ...
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Kari Rise

Kari teaches IB Geography at Highland Park Senior High in St. Paul. She has been a Model United ...
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Kate Redetzke

Kate is currently teaching French and English at a high school in the Mississippi Delta through Teach for ...
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Keren Kroul

Keren is a practicing visual artist and educator. She is the recipient of a Creative Support for Individuals ...
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Leah Klister

Leah Klister

Leah earned a BA in Studio Art from St. Olaf College and an MA in Art and Education ...
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Lee Stagg

Lee Stagg

When not at MITY, Lee Stagg teaches Theory of Knowledge in the International Baccalaureate program at Highland Park ...
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Mara Cavanaugh-Henry

Mara earned a B.A. in History and Secondary Education from the University of St. Thomas.  She is currently ...
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Mary Hanson

Mary Hanson

Mary is currently teaching Chemistry and Accelerated Chemistry at Highland Park Senior High School in St. Paul.  She ...
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Melissa Chaffee-Johnson

Melissa is in her 31st year as an educator teaching both high school and adult education.  She has ...
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Nan Onkka

Nan Onkka

Nan is an educator and artist.  She studied studio art at St. Olaf College and earned an MA ...
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Nicole Kronzer

Nicole Kronzer

Nicole teaches International Baccalaureate English and Creative Writing at Champlin Park High School and is a former professional ...
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P.J. Wiggin

​​After working in government, small/medium/large businesses and the non-profit sector, P.J. finally found his dream career as a ...
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Paul Good

Paul teaches CIS Physics at Two Rivers High School in the West St. Paul and Mendota Heights neighborhood.  ...
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Ross Mau

Ross Mau

After graduating from UW – Madison with a degree in Electrical Engineering, Ross worked as a Hardware Engineer ...
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Scott Greseth

Scott Greseth

Scott teaches Advanced Math and serves as the High Potential Coordinator at Maplewood Middle School. He holds a ...
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Stephanie Sommer

After a decade working for Fortune 500 companies, Stephanie left the business world to raise her children and ...
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Steve Jents

Steve Jents

Steve teaches IB Economic Systems at Central High School in St. Paul and recently received the Rising Star ...
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Sue Cranston

Sue Cranston

Sue is a working artist and professional art instructor who specializes in mixed-media art with a strong focus ...
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Susan Vaughan-Fier

Susan Vaughan-Fier

Susan has been teaching English for 24 years. She LOVES teaching young people, especially at MITY. A native ...
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Tech Academy Logo

Tech Academy

Formerly Computer Explorers, Tech Academy has been enriching Minnesota’s children with research-based Technology and Science classes and camps ...
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Will Onkaa

William Onkka

Will is a multi-faceted educator having taught science and engineering in the traditional classroom, as well as outdoor ...
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"MITY is a unique space that allows kids to let their guard down and learn without abandon."

-MITY Alumni

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