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Colorado Defense Attorney, Cassandra

Location:  Denver, Colorado
Phone:  (720) 479-8574
Fax:  (720) 458-1344


Cassandra Monahan is the Senior Associate at Wolf Law. Ms. Monahan was born in Denver, and although she grew up on the East Coast, she has returned to Colorado to begin her legal career.

Ms. Monahan graduated cum laude from American University Washington College of Law where she served as Senior Note & Comment Editor on American University’s International Law Review.

She earned her bachelor’s degree from the University of Maryland in Criminology & Criminal Justice and Psychology. During law school, Ms. Monahan was a student attorney with the Criminal Justice Clinic where she represented clients on misdemeanor charges.

Ms. Monahan is committed to providing the highest quality representation to individuals facing criminal charges and believes that understanding each client’s unique life circumstances is key to effective advocacy. In her free time, Ms. Monahan is an avid runner and hiker. 

Areas of Practice

100% Criminal Defense

Litigation Percentage

100% of Practice of Devoted to Litigation

Bar Admissions

State of Colorado, 2020

Education

American University Washington College of Law
Juris Doctorate, 2020, Cum Laude

University of Maryland
Bachelor of Arts, Criminology & Criminal Justice and Psychology, 2017

Honors and Awards

  • 2025 Super Lawyers Rising Stars
  • 2024 Super Lawyers Rising Stars
  • 2023 Super Lawyers Rising Stars

Professional
Associations and Memberships

Colorado Criminal Defense Bar, 2020-Present

Pro Bono Activities

Discount and Pro Bono services for current and former military service members

Featured Blogs
  • Answers to 6 Common DUI Questions
  • Assault or Self-Defense?
  • happy hour to sober
  • breathalizer thumbnail
  • 4/20 safety
  • domestic violence cases
Certifications
Testimonials

Much Appreciation!

After a misread medical record, I was wrongly accused of a serious crime. Even though doctors admitted that the nurse misstated the severity of an injury, law enforcement tried to destroy my life. Law enforcement threatened to take away my wife, my kids and my life. I called around to a couple of attorneys, and no one offered the type of first-class customer service that Jeff provided. He was immediately available. Throughout the process, Jeff was there to guide and protect me. He was always available. And, after a long journey together, we found justice and freedom. During the process, I found Jeff to be intelligent, determined and highly personable. I strongly recommend Jeff!

— Anonymous

Highly recommend Jeff

I had an excellent experience with Wolf Law. Jeff Wolf was incredibly dedicated throughout the entire process and made what could have been a stressful situation feel much more manageable. He took the time to clearly explain every step, ensuring I always understood what was happening and what to expect next. What stood out most was his commitment to achieving the best possible outcome for my case. His professionalism, attention to detail, and genuine care made a real difference. I always felt like I was in capable hands. I would highly recommend Wolf Law to anyone looking for knowledgeable, responsive, and results-driven legal representation.

— Harper T.

Wolf Review

I hired Jeff Wolf to represent me in a DUI case where I was charged, but was not the one that was driving the vehicle. From the very beginning I felt that I was in good hands because he made me secure in the fact I was innocent and that, though I was drunk, I did not do anything against the law. Every time I emailed him, I received a response immediately. I felt that he knew the system well, and how to handle this “game” of law. When he had to deal with a health emergency, he made me aware of my options and what he thought would be my best choice, which was being represented for court by another attorney that knew my case inside and out. He just called me this past Monday to let me know my case was dismissed! I would recommend Jeff Wolf to anyone being charged with anything in Colorado. He knows the laws of Colorado and will keep it real with the possible outcomes of your case.

— Stephanie

A Great Help in a Time of Turbulence

After being convicted of a DUI for marijuana, I quickly searched for an attorney. I chose to contact Wolf Law first because of the certifications and positive reviews that I saw. I am very glad that I made this choice. This was my first time in trouble with the law, so I didn’t quite know how to handle the situation, but with just a few meetings, phone calls, and emails I felt confident towards the resolution of my issues. Jeff explained everything thoroughly and made sure I knew everything I needed to know and more. I personally needed only a few meetings and talks, but I know that Jeff would be glad to meet or talk as much as necessary. He is clearly very passionate about his work and is a well of legal knowledge. I began with several charges and seeing an overwhelmingly bad outcome in my future, but as Jeff and Wolf Law fought for me, the charges faded away until only one remained and even it was reduced. I left with what I view as the best possible outcome for my given situation. Wolf Law not only helped mitigate the consequences of my mistake, but also granted me great comfort and guidance through the whole experience.

— Bryan C.

Colleen & Wolf Law-amazing results!

Colleen and Wolf Law did an amazing job supporting me through a very tough time! She was professional, empathetic and amazing in court. She ultimately got my case dismissed. I would highly recommend.

— Amber

Jeff is a Powerhouse in the Courtroom

Jeff is truly an expert in his field. He is extremely knowledgeable and bright and it was clear throughout his management of my case that he is highly respected. He was very supportive of my desire to see my case through to trial, he was always empathetic, and he took the time to understand my personal and professional situation. He was determined to get me the best outcome with the least impact to my personal and professional life and he succeeded. We were dealing with a refusal and I have little doubt that I would not have had the same results with another attorney. Jeff is a powerhouse in the courtroom! I am beyond appreciative and would strongly recommend anyone facing challenging legal issues to seek out Jeff’s expertise.

— Jana S.

The best in Colorado!

Mr. Jeff Wolf was a pleasure to work with. He did an excellent job representing my case. He walked me through the whole process answered all of my questions and concerns. I am very pleased as his client with his professionalism, attention to detail, communication, and most importantly the result he was able to achieve for my DUI case to be dropped. Definitely will be recommending Jeff Wolf Law to family and friends.

— M.Ramos

Amazing Lawyer

If you’re looking for an amazing lawyer I would highly recommend Jeff Wolf and Wolf Law in general Jeff helped me every step of the way, kept me well informed about what was going on with my case, and was very responsive to every question I had and is genuinely a good dude. I appreciated all of his help and the way he handled my case. I would highly recommend him to anyone who needs a good lawyer cause he’s definitely the way to go thank you again Jeff!

— Jordan B

Wonderful Experience with Colleen Kelley

I recently had the pleasure of becoming Colleen Kelley’s client. Even despite the terrible circumstances of fighting wrongful criminal charges, Colleen provided a supportive and pleasant experience during this process. Thankfully, I was introduced to Colleen through another attorney. She took my case on short notice and started working on my behalf in less than 24 hours by showing up to court the day after I secured her services.

She was diligent in her research, communication, and pursuit of justice. In just three short months, my case was dismissed. During this three-month nightmare, Colleen provided clarity and assurance along the way. While Colleen was very thorough in regards to every possible outcome I might experience, her professionalism and devotion to this case made it clear that the outcomes would be outstanding from day one. I’m so thankful that I found Colleen to represent me. I would highly recommend her services.

— Dawn R.

Exceptional Attorney Who Truly Cares

I cannot thank Jeffrey enough for his dedication and hard work on my case. From the very beginning, he took the time to understand every detail and worked diligently to ensure the best possible outcome. His expertise, professionalism, and clear communication made a challenging situation much easier to navigate.

What sets Jeffrey apart is his genuine care and commitment to his clients. He went above and beyond to advocate for me, and I always felt like I was in capable and trustworthy hands.

I highly recommend Jeffrey to anyone in need of legal representation. He’s not only an outstanding attorney but also a great person who truly cares about his clients’ success. I couldn’t have asked for a better advocate!

— Anonymous