Practice areas: Criminal Defense, White Collar Crimes; view more
Licensed in Colorado since: 2008
Education: University of San Francisco School of Law
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720-826-4688
Proff Law, LLC
3309 N Downing StDenver, CO 80205 Visit website
A stalwart advocate for her clients throughout their harrowing legal ordeals, Hannah Seigel Proff has maintained consistency in her judicious representation for over 15 years, helping adults and juveniles in contentious criminal law cases. A founding partner of Proff Law, LLC, in Denver, Colorado, she helps her clients in myriad criminal law cases, with a primary emphasis on adults charged with domestic violence and sex offense charges, juvenile law and Title IX defense for children in schools.
Ms. Proff completed her undergraduate studies cum laude in 2004, graduating with her Bachelor of Arts degree in English and women’s studies from the University of Denver. During her time there, she received the Chancellor’s Scholarship for Academic Excellence and was the recipient of the Rita Braito Award for her academic prowess in women’s studies.
With a fervent passion for pursuing law, Ms. Proff enrolled in the University of San Francisco School of Law, where she was actively involved in the Criminal Defense Clinic as a student attorney and volunteered her time to numerous community organizations, including Project Eye-to-Eye, Mission Boys and Girls Club, and the Public Interest Law Foundation, among many others. She also interned at the Public Defender Agency – Alaska Department of Administration, Justice Now and the California Appellate Project, giving her considerable insight into what to expect when entering the legal field.
Prior to receiving her Juris Doctor in 2008 as well as her license to practice law in Colorado, Ms. Proff was awarded the Pursuit of Justice Award and the Pro Bono Publico Award, along with the CALI Excellence for the Future Awards for achieving the highest grade in white collar crime and wrongful convictions. With a steady approach and a resolve that does not deplete, she has garnered the adulation of her peers through her practice, including being recognized as a Top Lawyer by 5280 Magazine on numerous occasions, as well as being acknowledged as Volunteer of the Year by the Colorado Juvenile Detention Center.
Outside her law practice, Ms. Proff maintains close affiliations with myriad legal organizations such as the Colorado Bar Association, the Denver Bar Association, the Colorado Women’s Bar Association, the Colorado Criminal Defense Bar, the National Association of Criminal Defense Lawyers and the Colorado Lesbian Gay Bisexual Transgender Queer (“LGBTQ+”) Bar Association.
Practice areas
Criminal Defense, Criminal Defense: White CollarFocus areas
Arrest & Arraignment, Assault & Battery, Criminal Domestic Violence, Criminal Fraud, Criminal Law, Debt, Drug & Alcohol Violations, Expungement, Failure to Pay Child Support, False Accusations, Felony, Juvenile Delinquency, Misdemeanor, Motor Vehicle Offenses, Murder, Overdrawn Bank Account, Parole, Probation, Prosecution, Sex Offenses, Tax Evasion, Theft
- 90% Criminal Defense
- 10% Criminal Defense: White Collar
First Admitted: 2008, Colorado
Professional Webpage: https://www.profflaw.com/meet-hannah
Bar / Professional Activity
- Hannah has been an active Women's Bar Association (CWBA) member for the past ten years. Since 2019, she has been on the CWBA Board of Directors. In the 2024-25 board term, Hannah is serving as the CWBA's vice president.
- Sam Cary Bar Association: Member
- Member: Colorado LGBT Bar Association
- Member: Asian Pacific American Bar Association
- Hannah is an active member of the Denver Bar Association (DBA). Hannah is currently a DBA Delegate to the Colorado Bar Association and serves on the DBA Awards Committee.
Pro bono / Community Service
- Alliance to Lead Impact in Global Human Trafficking (ALIGHT): Volunteer
- Learn Your Rights in Colorado (LYRIC): Co-Founder and Acting Executive Director
- Transformative Justice Project (formerly the Colorado Juvenile Defender Center): Co-Chair Fundraising Committee
Honors
- University of Denver Alumni Community Engagement Award, University of Denver, 2014
- Volunteer of the Year, Denver Bar Association, 2021
- Top Denver Lawyer, 5280 Magazine
- Volunteer of the Year, Colorado Juvenile Defender Center, 2017
- American Public Television Graduate Champion Award, PBS, 2016
Educational Background
- University of Denver, B.A., English Literature and Women's Studies , 2004
White Papers
- A paper evaluating the prosecution of children in adult court in Colorado after 2012 reforms. , Justice Redirected: A Study of Children Prosecuted as Adults in Colorado, 2016
- The U.S. Supreme Court recently granted juveniles greater Eighth Amendment protections in several path-marking cases, reasoning that juveniles are constitutionally different from adults for purposes of punishment. During the 2012 and 2016 legislative sessions, the Colorado General Assembly responded with expansive changes to how children are prosecuted and sentenced. This article discusses these protections., Evolving the Standards of Decency: How the Eighth Amendment Reduces the Prosecution of Children as Adults, 2018
Selections
- Super Lawyers: 2020 - 2026