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Reviews & Ratings

Showing 4-star reviews and above
  • 5.0/5.0

    10/10 recommend. Josiah went above and beyond for me. He worked his butt off and did the unthinkable within two months time. I was facing a prison sentence of 12-32 years. He managed to get the DA to agree to no jail and 3 years probation. ...
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    — Client

  • 5.0/5.0

    Mr. Cohen did a good job of setting expectations, and then exceeded them. My case was dismissed and I couldn't be happier with the quality of service. Mr. Cohen performed a very thorough investigation and kept me up to date on what was happ...
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    — Client

  • 5.0/5.0

    It was a pleasure working with Mr Cohen. Respectful, honest and knowledgeable, couldn’t of done better.

    — Client

  • 5.0/5.0

    Working with Valerie was great. She was very knowledgeable about the laws surrounding my case and extremely professional. She made the process manageable and was very trustworthy.

    — Client

  • 5.0/5.0

    We worked with Valerie Cole and she was exceptional. She has a unique way as an attorney of being thoughtful, and yet very direct and to the point. She doesn't swing up and down, always calm and professional. She sees the big picture and it...
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    — Client

Hillary Aizenman has over 10 years’ experience representing individuals accused of criminal offenses.  She is an experienced, fierce, and compassionate advocate and litigator, both in and out of the courtroom.  Hillary has taken over 40 cases to jury trial, achieving acquittals in some of the most serious and complex cases, and has handled thousands of others.

Hillary graduated third in her class and as a member of the Order of the Coif at the University of Colorado Law School.  She then served as a law clerk for Chief Justice Michael Bender on the Colorado Supreme Court.

Prior to entering private practice, Hillary was a Senior Deputy Public Defender in the Brighton regional office of the Colorado State Public Defender.  During her six years as a public defender, Hillary defended clients accused of offenses ranging from misdemeanors and DUIs to more serious offenses such as sexual assault and first-degree murder. While with the Public Defender’s Office, Hillary had many successes securing acquittals or lesser charges at jury trials, litigated motions issues, and obtained favorable plea dispositions in countless cases.
Hillary joined the Polansky Law Firm in May 2019 as a Senior Associate Attorney and was made Partner in 2023.  She represents clients in all stages of the criminal justice system, including:  pre-filing of charges; pre-trial negotiation and litigation; jury trials; post-conviction litigation; appeals; victim representation; and probation revocations and modifications.  Hillary also represents students at university conduct hearings.
Hillary is dedicated to achieving the best possible results for her clients, which she achieves through relentless and strategic litigation, preparation, and putting the government’s case through the crucible of the adversarial process.  She takes a pragmatic approach and always provides honest and compassionate advice and counsel to her clients.
Hillary is a fifth generation Coloradoan.  When she’s not working, Hillary enjoys spending time with her family and getting into the Colorado outdoors.


University of Colorado Law School, J.D., Third in Class and Order of the Coif, 2010

London School of Economics, MSc with distinction in Human Rights, 2005

Winner: Stan Cohen award for the best dissertation in the Human Rights MSc for her work entitled Democracy Without Human Rights? The case of Iraq.

University of Pennsylvania, B.A., summa cum laude and distinction. Major in Political Science and minors in both French and Afro-American Studies, 2004

State Bar Admissions

  • Colorado

Federal Bar Admissions

  • United States District Court of the District of Colorado and Wyoming

Professional Memberships and Associations

Colorado Criminal Defense Bar Association

National Association of Criminal Defense Lawyers

Super Lawyers

National Trial Lawyers; Top 40 Under 40 Criminal Defense Lawyers


  • Pretrial Publicity in a Post-Trayvon Martin World, 27:3 Criminal Justice, 12 (Fall 2012).

Representative Cases

Acquittal at jury trial on sex assault with force charges, Boulder County (2022).

Acquittal at jury trial on multi co-defendant sex assault with force charges, Boulder County (2022).

Dismissal of child abuse charges, Grand County (2022).

Won two post-conviction challenges for convictions obtained in violation of a client’s constitutional rights, for failure to advise on immigration consequences, Denver and Arapahoe County (2022). 

Declination to file charges, sex assault on a child allegations, Douglas County (2022).

Acquittal at jury trial on theft from an at-risk adult charge, Weld County (2020).

Dismissal of domestic violence charges in Boulder County (2020).

Dismissal of sex assault with force charges in Larimer County, based on pre-trial investigation (2019).

Co-counsel in People v. Abu-Nantambu-El, 2019 CO 106, where the Supreme Court overturned the defendant’s murder conviction.

Jury trial in forgery case in Adams County resulting in a conviction but reversed on appeal by the Colorado Court of Appeals in People v. Carian, 2017 COA 106.

Dismissal of child abuse charges based on a violation of the defendant’s constitutional rights, Adams County (2013).  

Client Reviews

“I was so lucky to have been a client of Hillary Aizenman. She worked very hard in collecting info to win my case. She worked like she was working for her kids. No one could have done it better. Thank you; and do great work for others.” – Client (2022).

“As someone that had Hilary Aizenman represent me in two trials, I’m super grateful to have had her as my lawyer. When I was falsely accused in two separate life sentences. Seeing someone so devoted to her job, she fought for my life with everything she had resulting in two acquittals saving my life. Thank you, Polansky law firm, for hiring top of the line Attorneys! And you, Hilary Aizenman!!”  – Client (2022).

“Hillary C. Aizenman is an awesome attorney. She always returned my calls and emails quickly. Her wages were clear from the beginning and she is very honest and has integrity. She got good results for me!” – Client (2021)

“I worked with Hillary Aizenman last year and she was kind, understanding, professional, and very helpful. I would highly recommend her to anyone who needs legal advice or services.” – Client (2021)

“Hillary Aizenman is an impeccable attorney. She was very compassionate throughout the process of working with my case, and very dedicated. She had a clear, strong and firm presence in the courtroom. She communicated my case with depth, clarity and urgency in the legal realm. I highly recommend her service.” – Client (2020)