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Nationwide & International

Judge Mary Celeste (Ret.)

(303) 501-3242

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Presentations & Webinars

Judge and Gavel

Topic Areas

  • Drugged Driving

  • Marijuana and Driving -  Youth and Marijuana

  • The Use of Science and Technology in Specialized Treatment Courts

  • The Legal History of MJ…Toxicology…Neuroscience of Marijuana

  • DREs and Toxicologists as Experts in MJ Driving Cases

  • The Admissibility of Oral Fluid Testing in Court

  • Specialized Treatment Courts: What Are They?

  • Risk Assessment Tools in Alcohol Cases: Which Monitoring Tool is Right

  • Constitutional and Ethical Issues in Drug/DWI Courts

  • The MJ Driving Case from Soup to Nuts

  • The Future of Implied Consent Laws

  • McNeeley and Blood Testing

  • The Structure of Courts: Who Are the Gatekeepers

  • Marijuana Laws and Its Impact On Specialty Courts

  • Expert Testimony in Marijuana Driving Impairment Cases

  • Marijuana Toxicology

  • Marijuana and its Impact on the Law

  • Marijuana in the Workplace

  • Drug Recognition Experts

  • The Use of Science and Technology to Monitor and Detect Alcohol and Drugs

  • Drug and Alcohol Testing

  • Witness Creditability

  • Per Se Marijuana Driving Laws

  • Marijuana Around the Globe

  • Drugged Driving and its Impact on DWI Courts

  • Marijuana and its Impact on DWI Courts

  • The Use of the Toxicologist in the Courts

  • Service of Process

  • The Use of Ignition Interlock Devices to Reduce Recidivism and Crash Fatalities

Providing Professional Presentations

My presentations and webinars have been conducted nationwide and I have presented to attorneys, law enforcement, drug court professionals, toxicologists, academia, policy makers, and judges. 

 

Judge Mary A. Celeste (ret.) sat on the Denver County Court bench 2000-2015. She was the Presiding Judge 2009-10 and the co-founder of the Denver County Court Sobriety Court. She is currently a law school professor teaching Marijuana and the Law at California Western School of Law and is considered a national content expert on the topic of cannabis. She is a former member of the Judicial Advisory Board for the Foundation for the Advancement of Alcohol Responsibility (FAAR); Faculty for the National Association of Drug Court Professionals (NADCP) and the National Judicial College (NJC). She has also served as the past chair of ABA National Conference of Specialized Court Judges; the President of the American Judge’s Association and the Colorado Women’s Bar Association Foundation, and, as a National Highway Traffic Safety Administration (NHTSA) Judicial Outreach Liaison. She has written many articles and is a national speaker on the topics of marijuana; marijuana and drug impaired driving, drugged driving, and specialty courts. 

 

She has presented to AJA; ALA; NEADCP, NADCP, APPA, AJA, ABA, DATIA, NHTSA, NEADCP, Lifesavers, Pennsylvania DUI Association, Michigan and Louisiana Association of Drug Court Professionals and to Judges, Attorneys; Specialty Court Conferences, and Safety Highway Offices in the States of Arizona, Arkansas, Colorado, Florida, Georgia, Illinois, Indiana, Kansas, Pennsylvania, Maine, Massachusetts, Michigan, Nebraska, Nevada, New Mexico, North Carolina, North Dakota, Oklahoma, Texas, Utah, Washington, Wyoming, U.S. Territories, and in Canada. 

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Previous Presentations

Oklahoma County PD Office

Oklahoma Dept. MHSA, Criminal Justice Div.

The Legalization of Marijuana & Hemp & Its Impact on the Courts

December 5-7, 2023

U.S Silica

Marijuana, CBD & Hemp Derivatives in the Workplace

Katy Mills, Texas

September 25, 2023

NADCP

Cannabis Driving & Testing

Houston, Texas

June 27, 2023

NADCP

But I Thought I was Using a Legal Drug: The Complex World of Hemp Derivatives Like CBD and Delta 8 Houston, Texas

June 27, 2023

SHRM

Marijuana, CBD & Hemp Derivatives in the Workplace

Las Vegas, Nevada

June 11, 2023

ISASIC

Webinar

History of Cannabis in the U.S.

May, 2023

SUNY

Legal History & Neuroscience Cannabis

Webinar

September 7, 2022

American Probation & Parole Association

The Legalization of Hemp and Its Impact on Testing & Law Enforcement Chicago, Illinois

August 28-30, 2022

NADCP RISE 

The Use of Medical Marijuana & CBD in the Courts

Nashville, TN

July 22, 2022

New England Addiction Technology Transfer Center Brown University School of Public Health

The Commercialization of Cannabis

Marijuana, CBD & Drug Courts

May 4, 2022

National Interdisciplinary Cannabis Symposium

California Western School of Law, San Diego California

Use of Medical Marijuana in Treatment Courts

May 20-22, 2022

DATIA Conference

Louisville, Kentucky

The Legalization of Hemp & Its Impact on Testing

March 30, 2022

Nevada Limited Jurisdiction Judges Winter Seminar 

Las Vegas, Nevada

What is New in Cannabis & Driving

January 25, 2022

Seton Hall University

Legislative Journal Cannabis Law Symposium

Cannabis and the Fourth Amendment Search & Seizure

Virtual

Feburary 4, 2022

Behavioral Health Professionals Maine

Medical Marijuana and Treatment Courts

September 15, 2021

New Mexico Judicial Conclave

Institute of Public Law UNM School of Law

The Colorado Experience: The Impact of New Marijuana Laws New Mexico

September 23, 2021

American Probation & Parole Association

The Use Medical Marijuana in the Courts

VIRTUAL on Demand 

August 24-28, 2020

North Dakota Association for Justice

Fargo, N.D.

Marijuana Search & Seizure; Marijuana Legal History, Neuroscience, Toxicology VIRTUAL

September 24, 2020

Pacific Judicial Council (PJC)

11/6/20 The Legal History; Neuroscience, Pharmacokinetic and Toxicology of Cannabis and Alcohol; 11/20/20 Drugged Driving;

November 6 & 20 2020

American Judges Association

Standard Field Sobriety Testing in Impaired Driving Cases Webinar

May 13, 2020

AJA/Illinois Judges Marijuana & Driving

Panel Moderator

Chicago, Illinois  

September 16, 2019

NADCP

Cannabis Driving Update, Marijuana and the Youth; Drug Court Judges Breakout; Drug/DUI Court Breakout Panel, Washington, D.C.

July 14-17, 2019

NADCP

State Bar Association of North Dakota, Marijuana & the Youth; Cannabis & Driving, June 12, 2019,Fargo, North Dakota

June 12, 2019

New Mexico Municipal Judges Conference

The Impact of marijuana Legalization on the Courts

Angel Fire, New Mexico

May 1, 2019

DATIA

Cannabis Driving Update

Chicago, Illinois

April 11, 2019

New England Association of Drug Court Professionals (NEADCP)

Marijuana Update, Marlborough, Massachusetts

November 29, 2018

Nevada Administration of the Courts Conference

Marijuana and Opioids and Their Impact on Specialty Courts, Sparks, Nevada

November 9, 2018

American Judges Association (AJA)

Marijuana and the Youth, Kauai, Hawaii

September 25, 2018

National LGBT Bar Association & International Association of LGBT Judges

Marijuana and Its Impact on the Courts, New York, New York

August 9, 2018

American Trucking Associations (ATA)

Marijuana: Legal Strategies to Stay Legal and Operational, Santa Ana Pueblo, New Mexico  

July 17, 2018

American Trucking Associations (ATA)

National Council of Juvenile and Family Judges, Keynote Closing Plenary, Marijuana and Its Impact on the Juvenile Justice System, Denver, Colorado

July 25, 2018

New Mexico Judicial Conclave

Drugged Driving, Albuquerque, New Mexico

June 7, 2018

Drug & Alcohol Testing Industry Association (DATIA)

MAT and Its Impact on Testing in Drug Courts, New Orleans, Louisiana

May 24, 2018

National Association of Drug Court Professionals (NADCP)

Judges - Adult and DWI Treatment Courts, Houston, Texas

May 30, 2018

National Association of Drug Court Professionals (NADCP)

Legal Issues, Ethics and Confidentiality Ask the Expert Table, Houston, Texas

June 2, 2018

Association of Legal Administrators, (ALA)

Marijuana in the Workplace: A Practcum Workshop, National Harbor, Maryland

May 5, 2018

American Probation & Parole Association, (APPA)

Cannabis & Driving, Houston, Texas

January 22, 2018

New England Association of Drug Court Professionals (NEADCP)

 Marijuana and the Youth, Marlboro, Massachusetts

November 29, 2017

National Association for Court Management, (NACM)

Marijuana & the Youth, New Mexico Judicial Education Center, Drugged Driving, September 27, 2017, Sante Fe, New Mexico

February 12, 2018

NASRO School Safety Conference

Youth and Marijuana, Washington DC.

July 26, 2017

National Association of Drug Court Professional (NADCP)

Washington, D.C., Marijuana Laws and Their Impact on Specialty Courts

July 10, 2017

National Association of Drug Court Professional (NADCP)

The Use of Medical Marijuana for Veterans with PTSD in Veteran's Courts, Washington, D.C.

July 11, 2017

National Association for Court Management (NACM)

The Legal History, Neuroscience and Toxicology of Marijuana: What the Justice System Needs to Know, Washington, D.C.

July 12, 2017

Colorado Collaborative Justice Conference

The Legal History, Neuro-science & Toxicology of Marijuana, Denver, Colorado

May 31, 2017

Colorado Collaborative Justice Conference

Marijuana & Opioids and Their Impact on Specialty Courts, Denver, Colorado

June 1, 2017

Kansas Judicial Conference

Cannabis & Driving, Topeka, Kansas

June 9, 2017

Michigan Association of OWI Attorneys & State Bar of Michigan Marijuana Law Section

The Legal History, Neuroscience & Toxicology of Marijuana, East Lansing, Michigan,

May 12, 2017

Michigan Association of OWI Attorneys & State Bar of Michigan Marijuana Law Section

Marijuana & Driving, East Lansing, Michigan

May 13, 2017

Michigan Court Administrators Association (MCAA)

What Court Administrators Need to Know About Marijuana Driving Cases, Thompsonville, Michigan

May 19, 2017

Association of Legal Administrators

Marijuana in the Workplace, Denver, Colorado

April 5, 2017

Texas Association of Specialty Courts

Marijuana Laws & Its Impact on Specialty Courts, Austin, Texas

April 10, 2017

Arkansas Drug Court Conference

Marijuana Laws & Its Impact on Specialty Courts, Little Rock Arkansas

April 12, 2017

LifeSavers Conference

The Legal History, Neuro-science and Toxicology of Marijuana, Charlotte, North Carolina

March 26, 2017

ABA Traffic Seminar

The Legal History, Neuro-science & Toxicology of Marijuana, Savannah, Georgia

March 7, 2017

Texas Center for the Judiciary's Criminal Justice Conference Drugged Driving Update

Austin, Texas

February 10, 2017

North Dakota Drugged Driving Summit

Cannabis & Driving, Bismarck, North Dakota

December 1, 2016

Arizona DUI Conference

Marijuana & Driving, Tempe, Arizona

December 2, 2016

New England Association of Drug Court Professionals

Marijuana and Driving, Marlboro, Massachusetts

November 16, 2016

Nevada State Court Conference

Marijuana Laws and the Effects on Specialty Courts

November 4, 2016

Oklahoma Judiciary

Cannabis & Driving, Oklahoma City, Oklahoma

November 2, 2016

Oklahoma Judiciary

Legal History, Neuro-science and Toxicology of Marijuana, Oklahoma City, Oklahoma

November 2, 2016

Colorado Bar Association

DUID Advanced Practice, The Fallacies of Colorado’s 5 Nanogram Inference in DUID Cases, Denver, Colorado

October 20, 2016

American Judges Association (AJA)

Cannabis: The Greening of North America, Toronto, Canada

September 26, 2016

American Probation & Parole Association, (APPA)

Reducing Impaired Driving Recidivism with IID Use, Cleveland, Ohio

August 29, 2016

Institute of Continuing Judicial Education of Georgia

Cannabis & Driving, St. Simons Island, Georgia

June 23, 2016

Colorado Highway Safety Summit

The History, Neuroscience and Toxicology of Marijuana, Keystone, Colorado

June 8, 2016

National Association of Drug Court Professional (NADCP)

The Nuts and Bolts of Alcohol & Other Drug Testing in Specialized Treatment Courts, Witness Creditability, Anaheim, California

June 1, 2016

Drug and Alcohol Testing Industry Association, (DATIA)

The Greening of America: How Marijuana is Changing the Legal Landscape, Las Vegas, Nevada

April 24, 2016

The Expert Institute Webinar

Driving Under the Influence of Marijuana

April 21, 2016

Texas Municipal Courts Education Center

Marijuana & Driving, Dallas, Texas

March 20, 2016

Texas Municipal Courts Education Center

Marijuana History, Neuroscience & Toxicology, Dallas, Texas 

March 20, 2016

American Bar Association Traffic Court Seminar

Cannabis & Driving, New Orleans, Louisiana

March 17, 2016

Michigan Association of Treatment Court Professionals

Marijuana History, Neuroscience & Toxicology, Grand Rapids, Michigan

March 15, 2016

Michigan Association of Treatment Court Professionals

Marijuana and Driving, Grand Rapids, Michigan

March 15, 2016

Michigan Association of Treatment Court Professionals

The Use of Science & Technology in Specialized Treatment Courts, Grand Rapids, Michigan

March 15, 2016

ISCT

Specialized Treatment Courts, Dallas, Texas

February 20, 2016

ISCT

The Structure of Courts, Dallas, Texas

February 20, 2016

American Bar Association Webinar

Hot Topics in Specialized Courts, Coordinator & Moderator,

December 17, 2015

American Academy of Clinical Toxicology (AACT)

Cannabis Legal Panel, Denver, Colorado

December 9, 2015

American Academy of Clinical Toxicology (AACT)

Dos and Don’ts in Expert Testimony in Marijuana Driving Cases: Judicial Perspective, Denver, Colorado

December 9, 2015

Nebraska Highway Safety Office

Marijuana and Driving, Lincoln, Nebraska

December 8, 2015

National Center for DWI Courts (NCDC)

Training, Sharing & Due Process, El Paso, Texas, National Center for DWI Courts (NCDC) Training.

October 28, 2015

North American Congress of Clinical Toxicology (NACCT)

Marijuana Driving Laws, San Francisco, California

October 10, 2015

American Judges Association (AJA)

The Future of Per Se and Zero Tolerance Marijuana Laws, Seattle, Washington

October 6, 2015

National LGBT Bar Association

Romer and Its Progeny, Lavender Law Conference, Chicago, Illinois

August 6, 2015

National Association of Drug Court Professionals (NADCP)

Marijuana & Driving, National Harbor, Virginia

July 27, 2015

American Probation and Parole Association (APPA)

Alcohol Monitoring Based Upon Risk Assessment: Which Tool is Right, Los Angeles, California

July 12-15, 2015

Louisiana Association Drug Court Professionals

Neuro-Science and Toxicology of Marijuana, Lafayette, Louisiana

June 26, 2015

Municipal Courts Education Center

Drugged Driving Workshop, Austin Texas

March 29, 2015

Colorado Bar Association

Views From the Bench

October 23, 2014

National Center DWI Courts

Webinar Drugged Driving and Its Impact on DWI Courts

October 16, 2014

Colorado Impaired Driving Conference

Blood Draws; What Now After McNeely

September 22, 2014

Pennsylvania Highway Safety Office

Lunchtime Keynote Marijuana & Driving and The Use of Science & Technology to Detect and Monitor Drugs & Alcohol in Impaired Driving Cases

October 31, 2014

Colorado Judicial Conference

Blood Draws; What Now After McNeely

September 9, 2014

Colorado Judicial Conference

The Admissibility of Oral Fluid Testing

September 8, 2014

MADD

Florida, Marijuana Trials & Tribulations, Fort Lauderdale, Florida

August 1, 2014

MADD

No Refusal Workshop, Denver, Colorado, McNeeley & Implied Consent

July 8, 2014

NHTSA

TSRP Training, Cracking the Nut of the Judiciary

July 15, 2015

American Bar Associations (ABA)

Webinar Blood Draws; What Now After McNeely

June 26, 2014

National Association of Drug Court Professionals (NADCP)

Debunking the Myths of Marijuana

May 29, 2014

Colorado Collaborative Justice Conference

Marijuana and Its Impact on Drugged Driving

May 14, 2014

LifeSavers Conference

Marijuana and Driving: Trials and Tribulations

April 28, 2014

Utah Judges Association Drugged Driving

Utah Judges Association Drugged Driving

April 19, 2014

Colorado Creditors Bar Association

CLE, Garnishee Liability Hearings

April 4, 2014

American Bar Association (ABA)

Specialized Courts Webinar, Driving & Marijuana: Debunking the Myths

March 20, 2014

American Judges Association

The Legalization of Marijuana & Its Impact on the Law

September 2013

Colorado Judicial Conference

Drugged Driving and the Use of Science & Technology

September 2013

Colorado Judicial Conference

Garnishee Liability Hearings & Default Judgments

September 2013

NHTSA

JOL National Meeting, The Impact of Drugged Driving

September 2013

LifeSavers Conference

Role of the Judge in DWI Courts

March 2013

American Bar Association

Technology Webinar

March 2013

Michigan Association of Drug Court Professionals

Technology and Drugged Driving Presentation

March 2013

Colorado County Court Judges Association

Technology Presentation

March 2013

Nevada Safety Summit

Technology Presentation, Reno Nevada

2012

NHTSA

Joint Regional Conference TSRP/LEL Presentation

2012

American Judges Association

Technology Presentation

2012

Colorado Judicial Conference

Drug Recognition Expert Presentation

2012

Washington Judicial Conference (Spokane & Seattle)

Drugged Driving Presentation

2012

ABA Webinar

Drug Recognition Expert

2012

Colorado Collection Attorneys Association

Summit, Process of Service Presentation

2012

American Judges Association National Symposium Coordinator

American Judges Association National Symposium Coordinator

2012

Wyoming Circuit Judges Conference

NHTSA JOL Presentation

2011

Denver County Court

Civil Division, Post Judgment Remedies Presentation

2011

Denver County Court

Name Change Procedures Presentation

2011

Colorado Collection Attorneys Association

Practice in Denver County Court Presentation

2011

Teaching Vignettes

Denver District Attorney’s Office and Public Defender’s Office

2010

Colorado Women’s’ Bar Association

Convention Speaker

1994, 1996, 1998, 2005 & 2010; Judge in Residence 2011

Colorado Bar Association CLE Program

Colorado Bar Association CLE Program

2007

American Judges Association Coordinator/ Moderator Educational Program

Vancouver, Canda

2007

American Judges Association Coordinator/ Moderator Educational Program

New Orleans, Louisiana

2006

Colorado Women’s Bar Association Convention Panel

Colorado Women’s Bar Association Convention Panel

2006

American Judges Association Mid-Year Seminar

American Judges Association Mid-Year Seminar

2005

American Judges Association Coordinator/Moderator Educational Program

San Francisco, California

2004

Arapahoe County Bar Association

LGBT Issues, Las Vegas Nevada

2004

Colorado Women’s Bar Association, Coordinator/Moderator

Colorado Women’s Bar Association, Coordinator/Moderator

2004

Indiana Prosecuting Attorneys Council

Indianapolis, Indiana, Cannabis & Driving

VIRTUAL

June 17, 2020

American Probation & Parole Association

Boston, Mass., Medical Marijuana & The Courts

VIRTUAL

August 1, 2020

North Dakota Association for Justice

Fargo, N.D. Marijuana and the 4th Amendment Search & Seizure; Neuroscience, Toxicology & Testing Cannabis

September 24, 2020

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For more information or to book with Judge Mary Celeste (Ret.), call or text (303) 501-3242 or email us.

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