
William E. "Bill" Tanis
Director
- Denise Cheney
303.628.3695
dcheney@irelandstapleton.comEmail Denise
- Biography
- Memberships
- Community Involvement
- Firm News
Bill Tanis has been a partner of Ireland Stapleton Pryor & Pascoe, PC, one of the leading general practice law firms in Denver, Colorado, since 1982. Bill has extensive experience in general corporate and securities law matters, including initial public offerings, private placements, partnerships, joint ventures, acquisitions and dispositions, and entity formations. He has provided general advice to, and completed transactions for, public and private clients in industries as diverse as real estate, construction, equipment leasing, medical devices, banking, financial services, oil and gas, and renewable energy. Bill experience also includes counseling and representing companies that have been financed by venture capital firms as well as companies that have been acquired by private equity firms. His client roster includes several non-profit corporations. During his career, Bill has worked closely with boards of directors and management on strategic planning, financial matters, employee incentive plans, corporate governance issues and restructurings. Bill is a past member of the Arapahoe County Ethics Committee and the Willows Water District Board.
Admissions
- Colorado
Education
- J.D., Harvard Law School, 1975
- M.S. Economics, London School of Economics, 1972
- B.A., Dartmouth College, 1971
Honors & Awards
- Recognized by The Best Lawyers in America(R) as a 2021 “Lawyer of the Year” for Business Organizations Including LLCs and Partnerships
- Selected to The Best Lawyers in America(R) for Business Organizations Including LLCs and Partnerships and Corporate Law
- Recipient of the YMCA of Metropolitan Denver’s Volunteer of the Year award, 2018
- Colorado Bar Association
- Colorado Bar Association Ethics Committee
- American Law Institute
- Monte Pascoe Civic Leadership Award Committee Member
- Board Member, Willows Water District

Downey and Tanis Named to “Lawyer of the Year” List

Ireland Stapleton Adds To Its List of Best Lawyers®

Ireland Stapleton Grows its List of Best Lawyers in America

Ireland Stapleton Named To The 2016 “Best Law Firms” List

Ireland Stapleton Adds to Its Best Lawyers Listing
