J. William "Bill" Callison
About J. William Callison
J. William Callison is a lawyer based in Denver, CO and has been recognized in The Best Lawyers in America® since 2006. J. William Callison is recognized in the following practice areas:
- Denver, Colorado
- Corporate Law
- Nonprofit / Charities Law
- Tax Law
Current Firm: Holland & Hart LLP
Education: University of Colorado at Boulder, J.D., graduated 1982
Location: Denver, CO
It takes just a few minutes to optimize your profile for prospective clients and lawyers ready to refer.
Log in to your account or continue as a guest to view annual subscription pricing.
Nearby Lawyers
Anastasia G. Khokhryakova is a lawyer recognized by Best Lawyers in the practice area of Public Finance Law. Anastasia G. practices law in Denver, Colorado Best Lawyers has recognized Anastasia G. Khokhryakova since 2021. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Anastasia G. Khokhryakova is held by other lawyers.
Ms. Caton practices in the areas of trusts and estates, including estate planning, estate and trust litigation, probate, elder law, disability planning, public benefits planning, and protective proceedings. She works with individuals and families in Englewood, Colorado and throughout the surrounding communities to address legal needs related to long-term planning, administration, and dispute resolution. Ms. Caton began her legal career as an assistant district attorney, where she prosecuted n...
Jeffrey A. Beuche is a lawyer recognized by Best Lawyers in the practice area of Mergers and Acquisitions Law. Jeffrey A. practices law in Denver, Colorado Best Lawyers has recognized Jeffrey A. Beuche since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Jeffrey A. Beuche is held by other lawyers.
Peter J. Whitmore is a lawyer recognized by Best Lawyers in the practice area of Public Finance Law. Peter J. practices law in Denver, Colorado Best Lawyers has recognized Peter J. Whitmore since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Peter J. Whitmore is held by other lawyers.
Murray Ogborn is recognized as one of the nation's preeminent trial lawyers, having represented clients and tried many cases across the country. He is an innovator in the development of trial practice, and is nationally known for using storytelling, case thematic techniques, and focus groups in the preparation and trial of cases. Murray not only personally tries cases, but other trial lawyers from around the country hire him to conduct focus groups and consult on their cases. Murray is the fo...
Katy formed Azizpour Donnelly in 2012. Prior to that, she practiced in the litigation departments of leading national and local firms, clerked for the former Chief Judge of the Tenth Circuit Court of Appeals and for the Chief Judge of the United States District Court for the District of Colorado, and worked at the International Criminal Tribunal for the former Yugoslavia. She is an experienced trial counsel. And her appellate work has earned her wide local recognition, including repeated sele...
Carolyn Witkus is a lawyer recognized by Best Lawyers in the practice areas of Family Law and Family Law Mediation. Carolyn practices law in Denver, Colorado Best Lawyers has recognized Carolyn Witkus since 2023. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Carolyn Witkus is held by other lawyers.
Tom Ragonetti has been frequently referred to as the preeminent land use attorney in Colorado and the Rocky Mountain region. His practice is focused on land use, government regulation, public-private transactions and related matters. He is a recognized specialist in land use planning and regulation, public finance for private development, annexation, urban development, zoning and historic preservation. Beyond his unparalleled expertise in land use and governmental regulation, Tom has comprehe...
Gretchen E. Lipman is a lawyer recognized by Best Lawyers in the practice areas of Employment Law - Individuals and Family Law. Gretchen E. practices law in Denver, Colorado Best Lawyers has recognized Gretchen E. Lipman since 2019. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Gretchen E. Lipman is held by other lawyers.
Explore and Learn
What AI Visibility Means for Lawyers
by Bryan Driscoll and Josh Rupall
AI tools increasingly interpret lawyers public information. Clear, consistent and credible sources help ensure they describe legal expertise accurately.
The Best Lawyers in Canada 2027: Recognizing the Nation's Top Legal Talent
by Jamilla Tabbara
Honoring established leaders and rising practitioners across Canada's legal profession.
2027 Best Lawyers Awards: Honoring Excellence in the Legal Profession
by Jamilla Tabbara
Recognizing the outstanding attorneys leading top practice areas nationwide.
2027 Best Lawyers Awards in Brazil, Mexico, Portugal and Spain
by Jamilla Tabbara
Explore key findings from the awards, including recognition figures and emerging legal talent.
Announcing the 2027 Best Lawyers Awards: Austria, Germany and Switzerland
by Jamilla Tabbara
Celebrating the legal professionals throughout Central Europe.
The Best Lawyers in France 2027: Peer-Reviewed Excellence
by Jamilla Tabbara
Seventeen editions of peer trust, a growing profession and a dynamic legal market.
Who Can Override a Power of Attorney?
by Bryan Driscoll
A power of attorney carries real legal authority, but it isn't absolute. Here's who can step in to revoke, restrict or set it aside.
Inside the 2027 Best Lawyers Awards in Chile, Colombia and Puerto Rico
by Jamilla Tabbara
A closer look at the research process, methodology and key statistics behind the 2027 editions.
How to Get an Eviction Off Your Record
by Bryan Driscoll
Whether an eviction can be removed, sealed or corrected depends on your state, your case and where the record appears.
How Peer Review Works: Best Lawyers Methodology Explained
by Jamilla Tabbara
Understanding the independent, data-driven framework that defines professional legal standing.