At STEM School Highlands Ranch we put innovation at the center of learning to unleash the potential of all students and prepare them for an exponentially changing world.
Stepping on our the grounds of our school, you enter an extraordinary place for students. We see teachers as catalysts. Here, teachers are role models and innovation coaches who provide the framework for learning. Our teachers are experts in teaching appropriate use of technology, collaboration and teamwork that sparks interest in STEM and learning at an early age.
KOSON LEADERSHIP/SHARED SERVICES TEAM | |||
First | Last | Title | School email |
Karen | Johnson | Interim CEO of KOSON Schools | karen.johnson@stemk12.org |
Star | Ake | Chief Financial Officer | star.ake@stemk12.org |
Nicole | Bostel | Communications Director | nicole.bostel@stemk12.org |
Michael (Mike) | Pritchard | IT Director | mike.pritchard@stemk12.org |
Robert | Hoornstra | Chief Operating Officer | robert.hoornstra@stemk12.org |
STEM LEADERSHIP TEAM | |||
First | Last | Title | School email |
LynAnn | Kovalesky | Executive Director | lynann.kovalesky@stemk12.org |
Amie | McElroy | Elementary School Director | amie.mcelroy@stemk12.org |
Maura | Ridder | Middle School Director | maura.ridder@stemk12.org |
Ryan | Alsup | High School Director | ryan.alsup@stemk12.org |
Michelle | Gasser | Director of Professional Development | michelle.gasser@stemk12.org |
Jistine | Harrison | Director of Student Support | jistine.harrison@stemk12.org |
Sean | Kavanaugh | Dean K-8 | sean.kavanaugh@stemk12.org |
Parag | Patel | Dean 6-12 | parag.patel@stemk12.org |
Star | Ake | Chief Financial Officer | star.ake@stemk12.org |
Nicole | Bostel | Communications Director | nicole.bostel@stemk12.org |
Michael (Mike) | Pritchard | IT Director | mike.pritchard@stemk12.org |
Mallory | Jimenez | School Nurse | mallory.jimenez@stemk12.org |
Robert | Hoornstra | Chief Operating Officer | robert.hoornstra@stemk12.org |
ADMINISTRATION TEAM | |||
First | Last | Title | School email |
LynAnn | Kovalesky | Executive Director | lynann.kovalesky@stemk12.org |
Amie | McElroy | Elementary School Director | amie.mcelroy@stemk12.org |
Maura | Ridder | Middle School Director | maura.ridder@stemk12.org |
Ryan | Alsup | High School Director | ryan.alsup@stemk12.org |
Michelle | Gasser | Director of Professional Development | michelle.gasser@stemk12.org |
Jistine | Harrison | Director of Student Support | jistine.harrison@stemk12.org |
Sean | Kavanaugh | Dean K-8 | sean.kavanaugh@stemk12.org |
Parag | Patel | Dean 6-12 | parag.patel@stemk12.org |
ELEMENTARY FACULTY | |||
First | Last | Title | School email |
AnnaMarie | Murillo | Kindergarten teacher | annamarie.murillo@stemk12.org |
Vanessa | Sanchez | Kindergarten teacher | vanessa.sanchez@stemk12.org |
Courtney | Alascio | 1st Grade Teacher | courtney.alascio@stemk12.org |
Chelsea | Bench | 1st Grade Teacher | chelsea.bench@stemk12.org |
Debra (Debbie) | Ristucci | 1st Grade Teacher | debbie.ristucci@stemk12.org |
Stephanie | Schiffman | 1st Grade Teacher | stephanie.schiffman@stemk12.org |
Pamela | Taylor | Kindergarten teacher | pamela.taylor@stemk12.org |
Tami | Brook | 2nd Grade Teacher | tami.brook@stemk12.org |
Christine | Logue | 2nd Grade Teacher | christine.logue@stemk12.org |
Madison | Slater | 2nd Grade Teacher | madison.slater@stemk12.org |
Erica | Wilkerson | 2nd Grade Teacher | erica.wilkerson@stemk12.org |
Katelyn (Kate) | Jackson | 3rd Grade Teacher | kate.jackson@stemk12.org |
Gretchen | Grewe | 3rd Grade Teacher | gretchen.grewe@stemk12.org |
Orleen | Mau | 3rd Grade Teacher | orleen.mau@stemk12.org |
Madalyn | Webster | 3rd Grade Teacher | madalyn.webster@stemk12.org |
Juliana | Brost | 4th Grade Teacher | juliana.brost@stemk12.org |
Evgenia (Jane) | McKinney | 4th Grade Teacher | jane.mckinney@stemk12.org |
Rebecca | Phelps | 4th Grade Teacher | rebecca.phelps@stemk12.org |
Rachel | Addison | 5th Grade Teacher | rachel.addison@stemk12.org |
Samantha (Sammie) | Ackley | 5th Grade Teacher | samanta.liebenow@stemk12.org |
Christina | Amos | 5th Grade Teacher | christina.amos@stemk12.org |
Jason | Chang | 5th Grade Teacher | jason.chang@stemk12.org |
Stephen | Broll | Elementary PE | stephen.broll@stemk12.org |
Erin | Casab | Elementary Music Teacher | erin.casab@stemk12.org |
Kristy | Smith | Elementary Art Teacher | kristy.smith@stemk12.org |
Ryan | Thatcher | K-5 Technology Teacher | ryan.thatcher@stemk12.org |
SECONDARY FACULTY | |||
First | Last | Title | School email |
Christian | Larsen | Secondary Math Teacher | christian.larsen@stemk12.org |
Sara | De Weese | Secondary Math Teacher | sara.deweese@stemk12.org |
Brian | Moore | Secondary Math Teacher | brian.moore@stemk12.org |
Jessica | Bates | Secondary Math Teacher | jessica.bates@stemk12.org |
Greg | Reichmuth | Secondary Math/In-house Substitute | greg.reichmuth@stemk12.org |
Yacina | Tamendjari | HS Math Teacher | yacina.tamendjari@stemk12.org |
Stephanie | Hart | 6th Grade Science Teacher | stephanie.hart@stemk12.org |
Kathy | Dwyer | 7th Grade Science Teacher | kathy.dwyer@stemk12.org |
Gavin | Rubin | Secondary Science Teacher | gavin.rubin@stemk12.org |
Kent | Schnacke | Secondary Science Teacher | kent.schnacke@stemk12.org |
Keith | Sweeney | Secondary Science Teacher | keith.sweeney@stemk12.org |
Geoffrey | Pietrovito | Secondary Science Teacher | geoffrey.pietrovito@stemk12.org |
Ashley | Walbek | Chemistry Teacher | ashley.walbek@stemk12.org |
Heather | Dillon | 8th Grade Language Arts Teacher | heather.dillon@stemk12.org |
Susan | Graham | Secondary Language Arts Teacher | susan.graham@stemk12.org |
Jalene | Vander Hook | Secondary Language Arts Teacher | jalene.vanderhook@stemk12.org |
Curt | Shonkwiler | Secondary English Language Arts Teacher | curt.shonkwiler@stemk12.org |
Kelsey | Farnan | Secondary English Language Arts Teacher | kelsey.farnan@stemk12.org |
Michelle (Shelly) | Vitale | Secondary English Language Arts Teacher | michelle.vitale@stemk12.org |
Edward | Cooper | HS English Teacher | edward.cooper@stemk12.org |
Evan | Voorn | MS Social Studies Teacher | evan.voorn@stemk12.org |
Chris | Smith | Secondary Social Studies Teacher | chris.smith@stemk12.org |
Aubrey | White | Secondary Social Studies Teacher | aubrey.white@stemk12.org |
John | Griffin | Secondary Social Studies Teacher | john.griffin@stemk12.org |
Kyle | Perret | Secondary Social Studies Teacher | kyle.perret@stemk12.org |
Daryn (Rhett) | Butler | Secondary Computer Science Teacher | rhett.butler@stemk12.org |
Tylor | Chacon | Secondary Computer Science Teacher | tylor.chacon@stemk12.org |
Todd | Trichler | HS Secondary Computer Science | todd.trichler@stemk12.org |
Lauchlin | Blue | Secondary Engineering Teacher | lauchlin.blue@stemk12.org |
Jeff | Reinkensmeyer | Secondary Engineering Teacher | jeff.reinkensmeyer@stemk12.org |
Michael (Mike) | Shallenberger | HS Engineering Teacher | mike.shall@stemk12.org |
Allison | Doe | Business Teacher | allison.doe@stemk12.org |
Nancy | Szczekocki | AP Pyschology & Health | nancy.szczekocki@stemk12.org |
Andrew | Gomez | Secondary Music Teacher | andrew.gomez@stemk12.org |
Max | Schwartz | Secondary Theater Teacher | max.schwartz@stemk12.org |
Susan | Jones | Secondary PE Teacher | susan.jones@stemk12.org |
Daniel | Levinson | Digital Art Teacher | dan.levinson@stemk12.org |
Joseph (Joe) | Smith | MS/HS Art Teacher | joe.smith@stemk12.org |
Eric | Hicks | HS Art / ASL Proctor | eric.hicks@stemk12.org |
Ana | Cortez Morales | Secondary Spanish Teacher | ana.cortezmorales@stemk12.org |
Marla | Brown | Secondary Spanish Teacher | marla.brown@stemk12.org |
Abby | Tomic | Secondary French Teacher | Abby.tomic@stemk12.org |
INSTRUCTIONAL/EDUCATIONAL ASSISTANTS | |||
First | Last | Title | School email |
Arianna | Ayala | Instructional Assistant – Elementary FT | arianna.ayala@stemk12.org |
Angela | Britzman | Instructional Assistant – Elementary FT | angela.britzman@stemk12.org |
Isabella | Doucet | Instructional Assistant – Elementary FT | isabella.doucet@stemk12.org |
McKenna | Gimbel | Instructional Assistant – Elementary FT | mckenna.gimbel@stemk12.org |
John | Harsh | Instructional Assistant – Elementary FT | john.harsh@stemk12.org |
Kaitlyn | Meska | Instructional Assistant – Elementary FT | kaitlyn.meska@stemk12.org |
Ariana | Palamara | Instructional Assistant – Elementary FT | ariana.palamara@stemk12.org |
Ryan | Price | Instructional Assistant – Elementary FT | ryan.price@stemk12.org |
Vinaya | Raigaonkar | Instructional Assistant – Elementary FT | vinaya.raigaonkar@stemk12.org |
Annette | Nason | MS Student Success Coach | annette.nason@stemk12.org |
Alicia | Knobf | HS Student Sucess Coach | alicia.knobf@stemk12.org |
Terri | Irish | Instructional Assistant – Secondary FT | terri.irish@stemk12.org |
Anthony | Flores | Instructional Assistant – Secondary FT | anthony.flores@stemk12.org |
Carlos | Martinez | Instructional Assistant – Secondary FT | carlos.martinez@stemk12.org |
Jacob | McGillivray | Instructional Assistant – Secondary FT | jacob.mcgillivray@stemk12.org |
Amy | Pham | Instructional Assistant – Secondary FT | amy.pham@stemk12.org |
Gary | Tang | Instructional Assistant – Secondary FT | gary.tang@stemk12.org |
IN-HOUSE SUBSTITUTES | |||
First | Last | Title | School email |
Melanie | Fitzroy | Enrichment Coordinator/In-house Substitute | melanie.fitzroy@stemk12.org |
Tera | Johnson-Swartz | In-house Substitute | tera.johnsonswartz@stemk12.org |
Sheetal | Rajput | In-house Substitute | sheetal.rajput@stemk12.org |
Greg | Reichmuth | Secondary Math/In-house Substitute | greg.reichmuth@stemk12.org |
TEACHER SUPPORT TEAM | |||
First | Last | Title | School email |
Michelle | Gasser | Director of Professional Development | michelle.gasser@stemk12.org |
Carissa | Elliott | PBL Specialist | carissa.land@stemk12.org |
Mackenzie | Harper | PBL Specialist | mackenzie.harper@stemk12.org |
Jonathan (Jon) | Jennings | Gifted & Talented Coordinator/PBL Specialist | jonathan.jennings@stemk12.org |
STUDENT SUPPORT SERVICES | |||
First | Last | Title | School email |
Jistine | Harrison | Director of Student Support | jistine.harrison@stemk12.org |
Kelli | Myrick | College & Career Counselor | kelli.myrick@stemk12.org |
Amelia | Reinkensmeyer | Post Graduate Assistant | amelia.reinkensmeyer@stemk12.org |
Kaeli | Sandhoff | IEP Case Manager | kaeli.sandhoff@stemk12.org |
Karen | Cook | MTSS Coordinator | karen.cook@stemk12.org |
Lisa | Summer | K-12 English Language Development Teacher | lisa.summer@stemk12.org |
Nicole | Tellez | K-12 English Language Development Teacher | nicole.tellez@stemk12.org |
Sharon | Groeling | Occupational Therapist | sharon.groeling@stemk12.org |
Rebekah | Stoller | Speech Language Pathologist | rebekah.stoller@stemk12.org |
Sue | Thompson | Speech Language Pathologist | sue.thompson@stemk12.org |
Mackenzie | Campbell | MS LSS Teacher | mackenzie.campbell@stemk12.org |
Becky | Hathaway | HS Learning Specialist | becky.hathaway@stemk12.org |
Rocki | Sugrue | HS Learning Specialist | rocki.sugrue@stemk12.org |
Kelly | Padilla | LSS Education Assistant | kelly.padilla@stemk12.org |
Stephanie | Rapp-LeGrand | LSS Education Assistant | stephanie.rapp-legrand@stemk12.org |
Srivandana | Kilambi | Secondary SPED EA | srivandana.kilambi@stemk12.org |
Katherine | Bouchard | HS Social Worker | katherine.bouchard@stemk12.org |
TECHNOLOGY SUPPORT TEAM | |||
First | Last | Title | School email |
Michael (Mike) | Pritchard | IT Director | mike.pritchard@stemk12.org |
Jessica (Jessie) | Hill | IT Help Desk Technician | jessie.hill@stemk12.org |
Nate | Carpenter | IT Help Desk Technician Lead | nate.carpenter@stemk12.org |
Ethan | Evans | IT Help Desk Technician/ES IA | ethan.evans@stemk12.org |
COMMUNICATIONS TEAM | |||
First | Last | Title | School email |
Nicole | Bostel | Communications Director | nicole.bostel@stemk12.org |
Jeff | Maher | Communications Manager | jeff.maher@stemk12.org |
FRONT OFFICE/SUPPORT STAFF | |||
First | Last | Title | School email |
Mona | Loptien | Office Assistant | mona.loptien@stemk12.org |
Julie | Adamek | ES Receptionist/Back-up Health Asst FT | julie.adamek@stemk12.org |
Sherry | Wise | Secondary Receptionist | sherry.wise@stemk12.org |
Nicole | Rost | Athletics Assistant | nicole.rost@stemk12.org |
Julie | Pieper | K-12 Registrar | julie.pieper@stemk12.org |
Mallory | Jimenez | School Nurse | mallory.jimenez@stemk12.org |
Paige | Bartlett | Secondary Health Asstistant/Receptionist | paige.bartlett@stemk12.org |
Celeste | Boyer | Elementary Health Assistant/Receptionist | celeste.boyer@stemk12.org |
Melanie | Fitzroy | Enrichment Coordinator/In-house Substitute | melanie.fitzroy@stemk12.org |
Hiroko | Ichijo | After School Programming Assistant | hiroko.ichijo@stemk12.org |
Brandon | Bragg | Security Specialist | brandon.bragg@stemk12.org |
BUSINESS OFFICE TEAM | |||
First | Last | Title | School email |
Star | Ake | Chief Financial Officer | star.ake@stemk12.org |
Katherine | Falter | Bookkeeper/Payroll Lead | kathy.falter@stemk12.org |
Tammy | Tryon | Business Office Asst/General Purchaser | tammy.tryon@stemk12.org |
Ashley | Westfall | Business Office Asst | ashley.westfall@stemk12.org |
FACILITIES/OPERATIONS TEAM | |||
First | Last | Title | School email |
Robert | Hoornstra | Chief Operating Officer | robert.hoornstra@stemk12.org |
Maria | Fountain | Facility Use Coordinator | maria.fountain@stemk12.org |
Robert (Bob) | Flower | Custodian | bob.flower@stemk12.org |
Patricia | Choto | Custodian | patricia.choto@stemk12.org |