Mason Coldren Geier

Current agency: Mower Co. Sheriffs OfficeAustin, MN

Combined career data aggregated across all known agencies.

1Agencies

--Current Salary

0 / 0Civil Casesactive / total

--Liability Costs

--Arrests

0Reports

Licenses & certification

Licenses issued to this individual by a licensing authority.

Peace Officer

Status: Active
First awarded: Dec 2, 2023
Issued by: MN POST

Education & training

Recorded courses, newest completion dates first.

Firearms: Rifle and Shotgun

Completed: Jun 16, 2026
Credits: 2
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Cody McCormick, TJ Lynch

Firearms: Handgun

Completed: Apr 15, 2026
Credits: 2
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Cody McCormick, TJ Lynch

Implicit Bias Part 1

Completed: Mar 2, 2026
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: Bill Everett, Anna Yunker

Making an Impact: How Law Enforcement Investigations, Reports, and Testimony Secure Convictions

Completed: Feb 5, 2026
Credits: 8
Sponsor: Minnesota County Attorneys Association - SP09286
Instructor: Robert Jarrett, Matthew Stinson, Rachel Cornelius, Rebecca Church, Brian Mortenson, Crysta Parkin

Traffic Incident Management (TIM) Responder Training

Completed: Jan 28, 2026
Credits: 4
Sponsor: Minnesota State Patrol - SP00003

PPE and Respiratory Protection

Completed: Jan 18, 2026
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631

Fire Extinguisher & Emergencies

Completed: Jan 17, 2026
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631

Hazardous Materials Awareness Training - Level 1 Part 2 of 2

Completed: Jan 17, 2026
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631

Hazardous Materials Awareness Training - Level 1 Part 1 of 2

Completed: Jan 17, 2026
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631

Hearing Conservation and Lead Awareness

Completed: Jan 17, 2026
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631

Bloodborne Pathogens

Completed: Jan 16, 2026
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631

AWAIR and Employee Right-to-Know

Completed: Jan 16, 2026
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631

Immigration Law Basics for Minnesota Peace Officers

Completed: Jan 13, 2026
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631

In-service Use of Force and Defensive Tactics #2

Completed: Dec 11, 2025
Credits: 6
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Wyatt Richardson

In-service Use of Force and Defensive Tactics #1

Completed: Dec 11, 2025
Credits: 5
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Wyatt Richardson

Preventing In-Custody Suicide

Completed: Dec 9, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: Bill Everett, Anna Yunker

Procedural Justice and Police Legitimacy

Completed: Dec 9, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: Bill Everett, Anna Yunker

Firearms: Handgun, Rifle and shotgun, Foul weather and Night shoot, Stress obstacle

Completed: Nov 18, 2025
Credits: 1
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Tyler Lynch #5003, John Mueller #5042, Cody McCormick #5033

Use of Force Part 4: Duty to Intercede

Completed: Nov 4, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: William J. Everett, J.D. Anna L. Yunker, J.D.

Use of Force Part 3: Readiness

Completed: Nov 4, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: Dr. William J. Lewinski; William J. Everett, J.D.

Use of Force Part 2: Law and Principles

Completed: Oct 29, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631

Use of Force Part 1: Law and Principles

Completed: Oct 22, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631

Transport (72-hour) Holds Update

Completed: Oct 22, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Firearms: Handgun, Rifle and shotgun, Foul weather and Night shoot, Stress obstacle

Completed: Oct 14, 2025
Credits: 1
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Tyler Lynch #5003, John Mueller #5042, Cody McCormick #5033

Firearms: Handgun, Rifle and shotgun, Foul weather and Night shoot, Stress obstacle

Completed: Jul 29, 2025
Credits: 1
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Tyler Lynch #5003, John Mueller #5042, Cody McCormick #5033

Firearms: Handgun, Rifle and shotgun, Foul weather and Night shoot, Stress obstacle

Completed: May 6, 2025
Credits: 2
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Tyler Lynch #5003, John Mueller #5042, Cody McCormick #5033

Hazardous Materials Awareness Training - Level 1 Part 2 of 2

Completed: Feb 15, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (LMCIT))

Hazardous Materials Awareness Training - Level 1 Part 1 of 2

Completed: Feb 12, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (LMCIT))

Bloodborne Pathogens

Completed: Feb 12, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (LMCIT))

AWAIR and Employee Right-to-Know

Completed: Feb 12, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (LMCIT))

Personal Protective Equipment

Completed: Feb 12, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (LMCIT))

Lead Awareness

Completed: Feb 5, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (LMCIT))

Hearing Conservation

Completed: Feb 1, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (LMCIT))

Portable Fire Extinguishers

Completed: Jan 31, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (LMCIT))

Respiratory Protection for Law Enforcement

Completed: Jan 28, 2025
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (LMCIT))

Lexipol Daily Training- Sept 2024

Completed: Dec 31, 2024
Credits: 1
Sponsor: MN Sheriffs' Association - SP09053
Instructor: MN Sheriffs' Association

Lexipol Daily Training- Aug 2024

Completed: Dec 31, 2024
Credits: 1
Sponsor: MN Sheriffs' Association - SP09053
Instructor: MN Sheriffs' Association

Lexipol Daily Training- July 2024

Completed: Dec 31, 2024
Credits: 1
Sponsor: MN Sheriffs' Association - SP09053
Instructor: MN Sheriffs' Association

Use of Force

Completed: Dec 19, 2024
Credits: 2
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

In-Service Use of Force and Defensive Tactics

Completed: Dec 12, 2024
Credits: 6
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

Handgun, Rifle and Shotgun, Foul Weather and Night Shoot, Stress Obstacle, Machine Gun and Handgun and Rifle

Completed: Nov 6, 2024
Credits: 6
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

PRISM Training

Completed: Oct 29, 2024
Credits: 1
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

Handgun, Rifle and Shotgun, Foul Weather and Night Shoot, Stress Obstacle, Machine Gun and Handgun and Rifle

Completed: Oct 15, 2024
Credits: 1
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

Use of Force

Completed: Aug 27, 2024
Credits: 6
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

EVOC

Completed: Aug 26, 2024
Credits: 8
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

Firearms: New Officer Firearms Training

Completed: Aug 23, 2024
Credits: 8
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

Liability Issues in Emergency Vehicle and Pursuit Operations – Update

Completed: Aug 7, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Handgun, Rifle and Shotgun, Foul Weather and Night Shoot, Stress Obstacle, Machine Gun and Handgun and Rifle

Completed: Jun 13, 2024
Credits: 1
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

EVOC

Completed: May 16, 2024
Credits: 8
Sponsor: Olmsted Co. Sheriffs Office - SP05500
Instructor: Olmsted Co. Sheriffs Office

Officer Safety Searches - 2022 Update

Completed: Apr 28, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Handgun, Rifle and Shotgun, Foul Weather and Night Shoot, Stress Obstacle, Machine Gun and Handgun and Rifle

Completed: Apr 24, 2024
Credits: 1
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

Hostile Event Response and Communications Training (HERT)

Completed: Apr 6, 2024
Credits: 8
Sponsor: Winona Co. Sheriff's Office - SP08500
Instructor: Winona Co. Sheriffs Office

Mental Health Part 1

Completed: Apr 3, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Crimes Motivated by Bias

Completed: Mar 22, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Wellness and Emotional Resilience Part 2

Completed: Mar 16, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Wellness and Emotional Resilience, Part 1

Completed: Mar 16, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Transport (72-hour) Holds Update

Completed: Mar 9, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Preventing In-Custody Suicide - Update

Completed: Mar 9, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Use of Force Part 3: Readiness

Completed: Mar 8, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Use of Force Part 2: Law and Principles

Completed: Mar 7, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Use of Force Part 1: Laws and Priciples

Completed: Mar 7, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Vehicle Searches - Update 2022

Completed: Mar 6, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Procedural Justice and Police Legitimacy

Completed: Feb 20, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Persuasion and De-escalation

Completed: Feb 20, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Narcan Carry and Use

Completed: Feb 17, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Best Practices in Mental Health Crisis Response

Completed: Feb 16, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Serving Those with Autism Spectrum Disorder – Part 3

Completed: Feb 14, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Serving Those with Autism Spectrum Disorder- Part 4

Completed: Feb 14, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Serving Those with Autism Spectrum Disorder, Part 1

Completed: Feb 4, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Serving Those with Autism Spectrum Disorder, Part 2

Completed: Feb 4, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Personal Protective Equipment

Completed: Feb 1, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Respiratory Protection for Law Enforcement

Completed: Jan 27, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Portable Fire Extinguishers

Completed: Jan 26, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Lead Awareness

Completed: Jan 26, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Hearing Conservation

Completed: Jan 25, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Hazardous Materials Awareness - Level 1 Part 2

Completed: Jan 19, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Hazardous Materials Awareness - Level 1 Part 1

Completed: Jan 17, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Bloodborne Pathogens

Completed: Jan 17, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

ARIDE-Advanced Roadside Impaired Driving Enforcement 2 day

Completed: Jan 17, 2024
Credits: 14
Sponsor: Minnesota State Patrol - SP00003
Instructor: Minnesota State Patrol

AWAIR and Employee Right-to-Know

Completed: Jan 15, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Implicit Bias Part 2

Completed: Jan 13, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Implicit Bias Part 1

Completed: Jan 10, 2024
Credits: 1
Sponsor: League Of Minnesota Cities Insurance Trust (LMCIT)) - SP09631
Instructor: League Of Minnesota Cities Insurance Trust (Lmc)

Use of Force

Completed: Dec 5, 2023
Credits: 6
Sponsor: Mower Co. Sheriff's Office - SP05000
Instructor: Mower Co. Sheriffs Office

Civil Cases

Cases connected through agency assignments.

Agencies

Known agency assignments linked to this profile.

Agency	Role	License	Start Date	End Date	Status
Mower Co. Sheriffs Office	Peace Officer	Peace Officer	Dec 2, 2023	Present	Active