Gregory P. "Greg" Gillis
About Gregory P. Gillis
Gregory P. Gillis is a lawyer based in Scottsdale, AZ and has been recognized in The Best Lawyers in America® since 2013. Gregory P. Gillis is recognized in the following practice areas:
- Scottsdale, Arizona
- Arbitration
- Commercial Litigation
- Construction Law
- Litigation - Construction
- Mediation
Current Firm: Sacks Tierney PA
Education: University of Nebraska - Lincoln College of Law, J.D., graduated 1987
Location: Scottsdale, AZ
Nearby Lawyers
Martin R. Galbut brings decades of counseling and litigation experience to the firm. He combines a distinct blend of corporate, securities, banking, real estate, antitrust, intellectual property, and finance counseling and litigation experience with tenacious thoroughness and unmatched client service. Martin represents both plaintiffs and defendants in a broad range of cases involving securities, banking and finance, labor and employment, corporate governance, intellectual property, antitrust...
Steven J.W. Heeley is a top attorney recognized by Best Lawyers in the practice area(s) of Native American Law. Steven J.W., who practices law in Tempe, Arizona, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Steven J.W. is held by other top lawyers in the same geographic and legal practice area.
Robert Grasso, Jr. is a top attorney recognized by Best Lawyers in the practice area(s) of Litigation - Insurance and Personal Injury Litigation - Defendants. Robert, who practices law in Chandler, Arizona, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Robert is held by other top lawyers in the same geographic and legal practice area.
Scott K. Weiss is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law, Mergers and Acquisitions Law, Securities / Capital Markets Law, Securities Regulation, Securitization and Structured Finance Law and Venture Capital Law. Scott K., who practices law in Scottsdale, Arizona, has been recognized since 2009. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Scott K. is held by other top lawyers in the same geograph...
James David Smith (“Dave”) is a practicing DUI & criminal defense attorney at the Rosenstein Law Group in Scottsdale, Arizona. Mr. Smith has a strong focus on the defense of the impaired driver. He successfully defends clients facing all degrees of criminal charges ranging from misdemeanor DUI offenses to felony assault charges throughout the Phoenix metro area and Courts in the state of Arizona. James David Smith is a U.S. Army Desert Storm war veteran who regularly provides ...
Jay R. Graif is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law, Insurance Law and Litigation - Insurance. Jay R., who practices law in Scottsdale, Arizona, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jay R. is held by other top lawyers in the same geographic and legal practice area.
Jonathan Goebel is the managing attorney at Rosenstein Law Group based in Scottsdale, Arizona. He serves clients throughout the Greater Phoenix metro area and across Arizona, focusing on DUI and criminal defense. With nearly 20 years of practicing criminal law, Jonathan Goebel has litigated criminal matters ranging from misdemeanors to complex felony cases throughout Arizona. Jonathan is compassionate and genuinely cares for the well-being of his clients while being an aggressive advocate and...
Kevin Lytle is member of Buchalter’s Board of Directors, Co-Chair of the Firm’s REIT Transactions and Compliance Industry Group, and Co-Chair of the Scottsdale office Real Estate Practice Group. Mr. Lytle represents clients in a broad range of real estate transactions involving sales and acquisitions, leases, sale-leasebacks, construction and permanent loans, acquisition loans, refinancings, loan and lease modifications and intercreditor agreements. He represents public and privat...
Mr. Mason counsels employers and management on all aspects of labor and employment law, including collective bargaining and union organizing; restrictive covenants; employment discrimination; sexual harassment; whistleblowing; retaliation; wrongful termination; personnel policies; reductions in force; trade secrets; duty of loyalty; drug and alcohol testing; and other state and federal laws, rules, and regulations. He is also an experienced litigator, representing clients in Arizona, federal,...
Eric N. Dahlstrom is a top attorney recognized by Best Lawyers in the practice area(s) of Gaming Law and Native American Law. Eric N., who practices law in Tempe, Arizona, has been recognized since 2005. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric N. is held by other top lawyers in the same geographic and legal practice area.
Explore and Learn
2026 Best Lawyers Awards: Recognizing Legal Talent Across the United States
by Jamilla Tabbara
The 2026 editions highlight the top 5% of U.S. attorneys, showcase emerging practice areas and reveal trends shaping the nation’s legal profession.
Gun Rights for Convicted Felons? The DOJ Says It's Time.
by Bryan Driscoll
It's more than an administrative reopening of a long-dormant issue; it's a test of how the law reconciles the right to bear arms with protecting the public.
2026 Best Lawyers Awards in Canada: Marking 20 Years of Excellence
by Jamilla Tabbara
Honoring Canada’s most respected lawyers and spotlighting the next generation shaping the future of law.
How to Sue for Defamation: Costs, Process and What to Expect
by Bryan Driscoll
Learn the legal standards, costs and steps involved when you sue for defamation, including the difference between libel and slander.
Best Lawyers 2026: Discover the Honorees in Brazil, Mexico, Portugal, South Africa and Spain
by Jamilla Tabbara
A growing international network of recognized legal professionals.
How to Choose a Good Lawyer: Tips, Traits and Questions to Ask
by Laurie Villanueva
A Practical Guide for Your First-Time Hiring a Lawyer
Reddit’s Lawsuit Could Change How Much AI Knows About You
by Justin Smulison
Big AI is battling for its future—your data’s at stake.
Unenforceable HOA Rules: What Homeowners Can Do About Illegal HOA Actions
by Bryan Driscoll
Not every HOA rule is legal. Learn how to recognize and fight unenforceable HOA rules that overstep the law.
Holiday Pay Explained: Federal Rules and Employer Policies
by Bryan Driscoll
Understand how paid holidays work, when employers must follow their policies and when legal guidance may be necessary.