Diana Ryan

150 Allens Creek Road
Rochester, New York 14618
United States
Office Phone: 585-413-1352
Member since 2005
Membership Type: IACP


Lawyer, Mediator

Diana Deyo Ryan has practiced Collaborative Law with the Rochester area Collaborative group since it was started in 2001. She is a partner with the law firm of Ryan and Sayers. She has been named in Best Lawyers in America from 2009 - 2019 for her work as a Collaborative Attorney. She has been recognized by Martindale-Hubbell for outstanding client service.

Area(s) of Practice: Collaborative Law, Family Law, Divorce and Separation, Prenuptial Agreements
License(s): Admitted to the New York State Bar, 1995 ~Admitted to the Western District of New York, 1995

Professional Activities

Ms. Ryan is a member of the New York State Bar Association, Family Law Section and Monroe County Bar Association, Family Law Section. She has lectured for the New York State Bar and Monroe County Bar on matters of family law. Ms. Ryan has served on the Board of Directors for the Collaborative Law Association of the Rochester Area since 2004, as Vice President from 2016 - 2018 and as President from 2018 - 2020. Ms. Ryan has presented as a Collaborative Trainer in numerous Introductory and Advanced Trainings.

Undergraduate Education

University of New York at Buffalo, summa cum laude

Phi Beta Kappa

Professional Education

Albany Law School, cum laude


Ms. Ryan has a client centered practice that focuses on helping clients avoid a bad separation or divorce process. Ms. Ryan focuses on advocating for best outcomes through respectful negotiations. Her priority is to support lasting results with minimal family disruption.