Diana Powell

Attorney Profile

Top Rated Family Law Attorney in Lone Tree, CO

Griffiths Law PC
 | 10375 Park Meadows Drive, Suite 520
Lone Tree, CO 80124
Phone: 720-773-6459
Fax: 303-858-8181
Selected to Super Lawyers: 2006 - 2019
Licensed Since: 1994
Practice Areas:
  • Family Law (70%),
  • Alternative Dispute Resolution (30%)
Attorney Profile

With over 35 years of experience practicing law and a string of prestigious accolades, Diana L. Powell brings substantial experience in complex business and family issues to high-asset, high-conflict divorces, helping parties formulate detailed agreements that protect assets and enable parents to work together to raise their children post-Decree.  Her understanding of the unique financial complexities inherent in divorce, enhanced by her experience as lead counsel to buyers and sellers in high value mergers and acquisitions, enables her to help each client achieve his or her financial goals during complex divorces. Prior to her family law practice, Diana helped hundreds of companies successfully raise equity and debt financing, experience that benefits family law clients with complex business situations. 

Ms. Powell has a record of success, from her undergraduate career at Cornell College, from which she graduated with high honors, and her subsequent J.D. from Berkeley in 1980 to her distinguished career in three states. Most recently, she received the distinction of being selected for inclusion in the Best Lawyers of America* 2016 in addition to being among one of Denver's "Top 50 Women Lawyers." and among one of Colorado's "Top 100 Lawyers."

Ms. Powell is presently on the Board of Directors of the Metropolitan Denver Interdisciplinary Committee as well as a fellow of the Colorado Bar Foundation. She is a member of the International Academy of Collaborative Professionals and the Pro Bono College of the State Bar of Texas. She has also previously served as the Vice President of the National Military Family Association and the President of the Colorado Collaborative Law Professionals. She has lectured and published extensively on topics relevant to divorce finances as well as business sales and valuation and relevant topics.

*The Best Lawyers in America® 2010. Copyright 2009 by Woodward/White, Inc., Aiken, SC

Practice Areas
Lawyer Practice Area Pie Chart

Family Law (70%): Alimony & Spousal Support, Child Support, Custody & Visitation, Dissolution, Divorce, Marital Property, Mediation & Collaborative Law

Alternative Dispute Resolution (30%): Mediation

Focus Areas

Alimony & Spousal Support, Child Support, Custody & Visitation, Dissolution, Divorce, Marital Property, Mediation & Collaborative Law, Mediation


Selected to Super Lawyers for 14 yearsbottom-image

Super Lawyers: 2006 - 2019

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About Diana Powell

Admitted: 1994, Colorado

Professional Webpage: https://www.griffithslawpc.com/attorneys/diana-powell/


  • "Denver's Top 50 Women Lawyers", 5280
  • Best Lawyers in America, 2013 to Present
  • Phi Beta Kappa
  • 10 out of 10 rating on AVVO

Bar/Professional Activity:

  • Member, Foundation Fellow, Colorado Bar Association, 2003 - Present
  • Member & Former President, Colorado Collaborative Law Professionals 2002 – 2016
  • Member, Denver Bar Association
  • Member, Various Including Former Vice President, National Military Family Association, 1982 – 1983
  • Board of Directors, Metropolitan Denver Interdisciplinary Committee, 2010 – Present
  • Member, International Academy of Collaborative Professionals, 2001 – Present 
  • American Bar Foundation - Fellow, 2013

Pro bono/Community Service:

  • Since 1989, Diana has devoted at least 10% of her otherwise billable time to pro-bono or deeply reduced fee cases, out of a commitment to access to justice.  In addition, she serves on numerous bar and community organiztions, to support access to justice and respect for the role of the justice system to preserve the rule of law.

Scholarly Lectures/Writings:

  • Editor, California Law Review, 1980
  • Hawaii Report on Military Family Issues, 1987
  • "Preservation of Business Value in Divorce", 2015
  • Divorcing When You are Co-Owners of a Business, 2012
  • Business Valuation in Divorce, 2009
  • Evidentiary Issues in Divorce, 2007
  • Business and Financial Issues in Divorce, 2006
  • "Risk Avoidance in Post-Decree Transfers" Family Law Institute, CBA, Co-Presenter, 2015
  • Collaborative Solutions for Business Assets, Divorce Family Law Institute, 2009
  • Collaborative Solutions for Families in a Difficult Economy, Colorado Collaborative Divorce Professionals, 2009
  • Tool Kit for Collaborative Professionals-Annual Conference, 2009
  • "Parenting Plans for Special Needs Children", CLE of Colorado, 2012
  • "Getting Your Kicks on Rule 66---Use of a Receiver to Address Business Issues in Divorce," Continuing Legal Education Lecture, 2015
  • "Qualified Domestic Relations Orders"  Bootcamp, Lecturer, 2016
  • "Business Valuation," "Marital Property" and "Enforcing Parenting Plans," Sections of the Bench Bar Book, Family Law Section of Colorado Bar Association, Author, 2014

Educational Background:

  • Cornell College, Magna Cum Lalude, with Distinction in History
Find Me Online
Office Location for Diana Powell

10375 Park Meadows Drive
Suite 520
Lone Tree, CO 80124

Phone: 720-773-6459

Fax: 303-858-8181

Diana Powell:

Last Updated: 3/13/2019

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