The big picture of what we do is to help companies find ways to fulfill society’s needs in a way that can be sustained by our environment over the long term. - John Slavich
John Slavich
Video of John Slavich
214.692.0081 (Direct)
214.692.6610 (Fax)
Guida, Slavich & Flores, P.C.
750 N. St. Paul Street, Suite 200
Dallas, Texas 75201

Mr. Slavich, a shareholder in the firm, has a diversified environmental law practice where he provides strategic advice to clients on a broad range of environmental issues, including the environmental aspects of real estate, corporate, and commercial transactions, remediation matters, brownfield redevelopment, risk management, compliance matters, and sustainability. He enjoys structuring deals that resolve issues at environmentally-impacted properties to get those properties back into productive use. His environmental practice is complemented by more than a decade of prior experience practicing corporate finance and commercial law.


  • J.D. - Washington University in St. Louis School of Law
    • Member of the Board of Editors, Washington University Law Quarterly
  • M.B.A. - Southern Methodist University
  • B.A. - Earlham College

Bar Admission

  • Texas


  • Named as one of the Best Lawyers in Dallas: Environmental Law 2016 by D Magazine.
  • Listed in Best Lawyers in America and in Chambers USA - Guide to America’s Leading Business Lawyers (2015-2016).
  • Listed in Who's Who Legal: Environment 2014
  • Named Lawyer of the Year - 2011 - for Environmental Law in Dallas by Best Lawyers - The World’s Premier Guide.
  • Listed in The International Who’s Who of Environmental Lawyers and in Guide to the World’s Leading Environmental Lawyers.
  • Named as a Texas Super Lawyer by Thomson Reuters Services as published in Texas Monthly magazine in their inaugural listing in 2003 and in each subsequent listing.
  • Rated AV by Martindale-Hubbell.


  • Member, Environmental Law Section (Chair, 2001) and Real Property Section of the Dallas Bar Association
  • Member, Environmental and Natural Resources Law Section and Real Estate, Probate and Trust Law Section (Environmental Subcommittee) of the State Bar of Texas
  • Member, Section of Environment, Energy, and Resources and Section of Real Property, Probate and Trust Law of the American Bar Association
  • Texas representative, Brownfield Advocacy Network
  • Member, National Brownfield Association
  • Sustainability Forum Advisory Council, Dallas Institute of Humanities and Culture
  • Greater Dallas Planning Council, Urban Design Task Force and Economic Development Task Force
  • U.S. Green Building Council, North Texas Chapter, Partnership Committee (co-chair)
  • Member, Urban Land Institute, North Texas Chapter
  • Member, The Real Estate Council
  • Member, SMU Real Estate Society