Jennings Haug Keleher McLeod Waterfall is proud to announce that our partners Karen Gaylord and Sean Olivas earned recognition in the 2026 USA edition of Chambers and Partners!

Our Environment practice has thus been ranked for the seventh consecutive year. We have earned a Band 2 ranking in 2026.

Karen leads the firm's Environmental Law practice in the firm's Phoenix office and Sean is a litigator in JKW's Albuquerque office who represents clients in employment, civil rights and personal injury litigation matters.

Chambers & Partners, which is recognized around the world as the most accurate and reliable and impartial directory for legal services, publishes leading directories of the legal profession by gathering extensive input from clients.

Chambers reviews:

Jennings Haug Keleher McLeod Waterfall LLP has a respected practice which represents a diverse range of clients, from small companies to major corporations, on environmental permits, regulatory compliance and natural resources-related matters. The firm's experience in environmental litigation adds depth to its practice. It works with a wide range of clients on a variety of matters from basic contracts to complex site cleanups.

Jennings conducts factual research and thorough due diligence to advance matters. They are very fluent in federal environmental laws and particularly knowledgeable about state superfund laws. - one testimonial reads.

Karen Gaylord offers significant experience in contamination cleanup, permits and natural resources matters for businesses and municipalities.

Karen Gaylord is a true professional. 

Karen Gaylord has been in the midst of every important environmental matter in Arizona for decades and has earned rarely granted trust from federal and state regulators. Her personal relationships with state regulators are unmatched.