Free Consultation
$0 first 60 minutes
Gregory Grizopoulos
About Gregory
Biography
Gregory Grizopoulos is a founding partner of Grizopoulos & Portz, P.C. He aggressively represents individuals who are arrested and charged with crimes and also represents those who are injured due to the negligence of others.
In August 2002, Gregory was appointed Assistant District Attorney by the Honorable Denis Dillon, District Attorney of Nassau County. He also received a special appointment to be Nassau County's Stop-DWI Special Prosecutor and was assigned the responsibility of prosecuting serious, high-profile, media sensitive Driving While Intoxicated (DWI) and related vehicular cases. He received training from police officers and national training in the areas of Alcohol Breath Testing and Highway Safety, Standarized Field Sobriety Tests (SFSTs) and Accident Reconstruction with the New York City Police Department's Accident Investigation Unit. He has also lectured at the Nassau County Police Academy about how to cross examine a police witness.
In addition to handling major felony cases, Gregory was assigned to the elite Vehicular Crimes Unit under D.A. Kathleen Rice where he handled felony DWI offenses involving serious injury.
Prior to joining the District Attorney's Office, Gregory worked as a law clerk at the prestigious criminal defense firm of Eoannou & Lana in the City of Buffalo, New York. There he assisted in both federal and state defense cases including the successful defense of country music stars Tim McGraw and Kenny Chesney.
In 2006, Gregory entered private practice specializing in the areas of personal injury, criminal defense and DWI-Vehicular crimes defense. Since that time Gregory has developed a reputation for excellence as a trial attorney and skilled advocate.
Gregory has been quoted by the media in his representation of clients in high profile cases including Fox 5 News, News 12 Long Island, Newsday, the New York Post and the New York Daily News. Gregory is a member in good standing of the Nassau County Bar Association, Former District Attorneys Association and the Nassau County Criminal Courts Bar Association. He is admitted to practice law in the State of New York and the United States District Courts of the Eastern and Southern Districts.
Practice Areas
3
Practice Areas
Fees and Rates
Cost
Retainer
Always
Payment Methods
- Cash
- Check
- Credit Card
Looking for an attorney? Avvo can help.
Search our directory
Quickly connect with top attorneys through our legal directory to get help with your legal issue.
Avvo's live chat agents can help coordinate a consultation with a local attorney.
Chat with a live agent who can match you with the right attorney for your legal needs.
Chat withLicenses
Licensed in New York for 23 years
State: New York
Acquired: 2003
No misconduct found
Location
Grizopoulos & Portz, P.C.
The Benchmark Building, 170 Old Country Rd Ste 502, Mineola, NY, 11501
Gallery
Ad
Transform legal challenges into solutions.
Connect now to review your situation.
Gregory Grizopoulos's Reviews
Avvo Review Score
10 Client Reviews
Filter Avvo Reviews (10)
Refine reviews to match your needs. Use the filters to quickly surface reviews that align with your case or priorities.
Practice Areas
Showing 6 - 9 of 9 reviews | 5 stars
Posted by anonymous | November 02, 2015 | Hired Attorney | DUI & DWI
DUI case and business tickets
For my DUI case I shopped a few lawyers and felt comfortable with the experience, confidence, and price of the firm Grizopoulos works for. Him and his firm were able to work with the DA and come up with a creative solution that prevented a criminal offense from going on my record and just left me wit...
Posted by Kerby | October 21, 2015 | Hired Attorney | Criminal Defense
Criminal defense
Gregory grizopolos was a outstanding lawyer. I was wrongfully accused of 16 charges including reckless endangerment of a Nassau Police officer all because I lost my NYS drivers license & who ever found it handed it to the cops and fled the scene which led to chaos. The way he went about my case was s...
Gregory Grizopoulos
Replied last October 21, 2015It was my pleasure to represent you and help prove your innocence. Even when previous attorneys advised you to take a plea deal, you knew it was wrong to plead to a crime you didn't commit. I was nervous for you because I believed in your innocence but hard work and persistent investigation led us to a successful result. In the end, when the jury said 'Not Guilty' it was worth it all. Congratulations to you on fighting for your life back. I hope you inspire others to do the same.
Posted by anonymous | August 10, 2015 | Criminal Defense
Amazing!!!
Greg was amazing, he kept me informed on what was going on with my case and was on time to everything. He really put the truth out there for me. I would recommend Greg for any criminal defense service.
Posted by Michael | January 14, 2013 | Criminal Defense
A blessing! So thankful!
I was so worried about my case but Greg kept me informed and always answered my calls. He even returned my calls in the evening hours and on weekends! In the end he was able to negotiate a plea with the DA to a non criminal conviction. I am so thankful that I was referred to Greg. I will definitely...
Gregory Grizopoulos's Lawyer Endorsements
"I have known Mr. Grizopoulos his entire career. I have always known him to be a strong advocate for his clients and a gentleman who is well known and respected in every court. He's also someone who doesn't hesitate to fight to the end on any case. I strongly endorse Gregory Grizopoulos and I am proud to call him a colleague and friend."
"Gregory is an exceptional criminal defense attorney whose reputation speaks for itself. He is highly regarded in his field."
"Greg is an outstanding attorney who will tackle any challenge to ensure that his clients achieve the best result possible. I fully endorse this lawyer."
"I endorse this lawyer."
Michael Alber
Criminal defense lawyer
Brendan Ahern
DUI and DWI lawyer
John Powers,
Criminal defense lawyer
Brian Murphy
Criminal defense lawyer
Matthew Connolly
Personal injury lawyer
Experience
Honors
2025
Super Lawyer, Super Lawyers
2024
Super Lawyer, Super Lawyers
2023
Super Lawyer, Super Lawyers
2022
Super Lawyer, Super Lawyers
2021
Super Lawyer, Super Lawyers
2017
Who's Who, Who's Who Legal
2015
Bench and Bar Award, New York State Fraternal Order of Court Officers
2001
Excellence in Trial Advocacy, University at Buffalo Law School
Work Experience
2011 - Present
Founding Partner, Grizopoulos & Portz
2006 - 2011
Attorney, DerGarabedian Dillon Grizopoulos & Nathan
2002 - 2006
Assistant District Attorney, Nassau County District Attorney's Office
2001 - 2001
Law Clerk, Manhattan District Attorney's Office
Associations
2015 - Present
Former Assistant District Attorney's Association of Nassau CountyPresident
2012 - Present
Hellenic Lawyers AssociationMember
2011 - Present
Criminal Courts Bar Association of Nassau CountyExecutive Board Member
2006 - Present
Criminal Courts Bar Association of Nassau CountyMember
2006 - Present
Former Assistant District Attorney's Association of Nassau CountyMember
2003 - Present
Nassau County Bar AssociationMember
2011 - 2012
American Bar AssociationMember
Sample of Legal Cases
People vs D.C.
Acquitted of DWI - Reduced to lesser non-criminal violation
People v. Kristine C.
Acquitted of DWI
People v. Pablo D.
Acquitted
People v. C.R.
Acquitted
People v K.R.
Acquittal after jury trial
People v D.R.
Acquittal after jury trial
People v James F.
Acquitted of most serious charges- Not Guilty on 7 of the 11 charges.
Education
2002
State University of New York at Buffalo School of Law
JD - Juris Doctor
1999
State University of New York, College at Geneseo
BA - Bachelor of Arts
Speaking Engagements
2015
Meet the Candidates 2015 Moderator
2015 Nassau County Candidates
2011
FOX 5 News
Fatal DWI Trial and Crime Lab Shut Down
2004
Nassau County Police Academy
Cross Examination of Police Witness
Languages
English
Spanish
Activity
Legal Answers
Legal Answers
Q&A
Do a judge do an extensive search on the person who is offering up his or her home to a felon getting on house arrest?
23 May 2021
Q&A
Can you get a DWI if the police officer did not give you a breathzyer at the station and any paperwork for the tests done.?
19 May 2021
Q&A
Does smoking marijuana affect the outcomes of an Aggravated DWI screening and assessment pre-conviction?
02 Oct 2020