Meet Our Volunteers
Our volunteers share a passion for inspiring the scientist in every student. From engaging kids in hands-on classroom STEM activities or joining classrooms as virtual presenters, our volunteers bring their unique STEM expertise and experiences to Santa Fe Public School students.

Learn more about our growing network of retired or currently-employed scientists, engineers, computer scientists and STEM educators who are available to partner with teachers to create engaging learning opportunities for young people.  
Sandra Shoshani

  • STEM Interests: Chemistry, Geosciences, Life Sciences, Physics & Astronomy, Psychology & Social Sciences, STEM Education & Learning Research.
  • Background: Middle School Science Teacher for 44 years.  My prime areas have been Earth and Space Science,  Archaeology, and Zoology.
  • Grade Level Availability: K-8.
  • Likes: Conducted research on elephants for the purpose of conservation and education.
John Bogdan


  • STEM Interests: Computer & Information Science, Mathematical Sciences.
  • Grade Level Availability: K-12.
  • Likes: I'm happiest when I'm confused.
Raymond N. Greenwell


  • STEM Interests: Mathematical Sciences.
  • Background: I've taught classes for high school teachers and given talks at high schools on mathematical magic.
  • Grade Level Availability: 9-12.
  • Likes: I rock climb. Bilingual (English/Spanish).
Bruce Abell


  • STEM Interests: Classroom demos of simple experiments; coaching students preparing science fair projects.
  • Background: Engineering, Geosciences, Life Sciences, Physics & Astronomy, STEM Education & Learning Research, Science fairs.
  • Grade Level Availability: K-8.
  • Likes: I worked for four years in the White House Science Office.
Lisa Martin


  • STEM Interests: Chemistry, Life Sciences, class experiments, project mentoring.
  • Background: Analytical chemistry and pharmaceutical drug development.
  • Grade Level Availability: K-8.
  • Likes: After retiring from industry, expanding my right brain thinking by taking classes and practicing jewelry fabrication.
Eugene Farnum


  • STEM Interests: Mathematical Sciences, Physics & Astronomy, Physics tutoring.
  • Background: PhD Solid State and Materials Sciences.
  • Grade Level Availability: 9-12.
  • Current: Retired from LANL.
Linda Schoen Giddings


  • STEM Interests: Geosciences, Life Sciences, Psychology & Social Sciences, STEM Education & Learning Research.
  • Background: Biology and Environmental Science, Science Assessment Specialist for SCSoE, Teacher of Science for the GED at SFCC.
  • Grade Level Availability: 6-12.
  • Likes: I've been studying Spanish for the past 2 years.
Steven Rudnick


  • STEM Interests: STEM Education & Learning Research, Environmental Science, Water Science, Climate Science.
  • Background: Engineering and science.
  • Grade Level Availability: 9-12.
  • Likes: I was a college program director for many years, so I have some pedagogical skills to go with the science.
Doug Reilly


  • STEM Interests: Life Sciences, Physics & Astronomy, Psychology & Social Sciences.
  • Background: Rainbows, halos, and glories; astronomy; folk music; poetry.
  • Grade Level Availability: 6-12.
  • Likes: I've lived, worked, and traveled in over 50 countries. Bilingual (English/Spanish).
Bill Earl


  • STEM Interests: Chemistry, Life Sciences, Physics & Astronomy, Psychology & Social Sciences.
  • Background: I owned a sailboat in the Caribbean and have done a lot of sailing.  I've always had an interest in hiking and backpacking.  I lived in Switzerland for several years and speak French.
  • Grade Level Availability: K-12.
  • Likes: I lived in Berkeley during the "Summer of Love" and subsequent very active times. Bilingual (English/Spanish).
Ken Prokuski


  • STEM Interests: Life Sciences, Mathematical Sciences, Physics & Astronomy, STEM Education & Learning Research.
  • Background: Previous math tutor at Pinon and Nina Otero.
  • Grade Level Availability: K-8.
  • Likes: Experimental musician.
Laird Graeser


  • STEM Interests: Chemistry, Geosciences, Economics and Government Sciences.
  • Background: Have extensive experience with New Mexico revenue estimating and budget development process.
  • Grade Level Availability: 6-12.
  • Likes: Built my current 3,000 sq. ft. home with my own hands.
Douglas Lonngren


  • STEM Interests: Computer & Information Science, Engineering.
  • Background: I helped develop example science projects for classroom presentations.
  • Grade Level Availability: K-5.
  • Likes: I've used my engineering skills to build several games for the local Renaissance Fair at El Rancho de las Golondrinas.
Frank Wimberly


  • STEM Interests: Computer & Information Science, Mathematical Sciences.
  • Background: Astronomy.
  • Grade Level Availability: K-8.
  • Likes: I play tennis. Bilingual (English/Spanish).​
Steven Goldstein


  • STEM Interests: Geosciences, Life Sciences, Physics & Astronomy.
  • Background: Medicine, Radiology, Biology.
  • Grade Level Availability: 6-12.
  • Likes: I am on the Admissions Committee UNM School of Medicine.
Suzanne Roepke


  • STEM Interests: Geosciences, Mathematical Science, STEM Education and Learning Research.
  • Background: Middle school math educator. I love Math! If you're looking for a Math Cheerleader, it's me. Math is the language of the Universe.
  • Grade Level Availability: 6-12.
  • Likes: Obey gravity, it’s the law.
David Ritter


  • STEM Interests: Computer and Information Sciences, Engineering, Physics and Astronomy.
  • Background: 40 years design engineering experience with 35 patents, 5 at Apple.
  • Grade Level Availability: 6-12.
  • Likes: Introduction to electronic design skills.