Business Advisory Group

Mark Barron picture

Mark Barron

Mark Barron

Mark Barron served as the Mayor of the town of Jackson for 12 years where he directed a $15 million budget and oversaw 100 employees. During his tenure the town became a model for green energy and conservation and also adopted a cell phone safety ordinance. The town of Jackson draws all of its energy from renewable resources. He is also the owner of High Country Linen Service and started Blue Spruce Cleaners, the state’s first green dry cleaner, currently owned by his daughter Mary.



Robert Tyrell, JD, CPA
Dembo, Jones, Pennington, Marshall and Healy

A certified accountant and attorney, Tyrrell is part of a full-service firm for over 50 years, Dembo, Jones, Healy, Pennington & Marshall, P.C. (DJHPM), provides individuals and businesses with a wide range of accounting, auditing, tax and consulting services. He serves as EHT tax attorney and advisor.


Laurent Roux

Laurent Roux

Laurent Roux, JD
Founder and President of Gallatin Wealth Management, LLC

In 1980, Roux joined Pictet & Cie in Geneva, one of Switzerland’s largest and oldest private banks, and his 25 year career spanned the Far East and Europe. He served as a portfolio manager, and as a managing director of several of the Pictet Group’s international offices and was a director of Pictet & Cie until 2005. He then founded the independently-owned, family wealth advisory and consultancy firm Gallatin Wealth Management in Jackson, Wyoming.Roux has some 30 years of experience working with families and family offices worldwide. Activities range from strategic wealth management – family legacy and stewardship, family office construction, coordination, and trouble-shooting and consulting, to international asset management, asset allocation, portfolio management, manager selection, performance reviews, mutual fund administration and global custody. He was a Director and Managing Director at Pictet & Cie, Private Bankers, Geneva, Switzerland and a number of its international affiliates during his 25 years at his family’s firm. In 2005 he returned to the US and founded Gallatin Wealth Management, a Wyoming LLC. The firm is a wealth management advisory and consultancy which acts as trusted advisor to a limited number of families, family offices and mfo’s.Laurent holds a JD degree from California Western School of Law in San Diego (1980), received a BA from the University of Colorado with majors in History and Political Science in 1976, and attended the Graduate Institute of International Studies Masters program in Geneva. He was a member of the Cal Western International Law Journal, received several Dean’s Awards and Advocacy Honors Board Awards. He currently is a board member of the Family Firm Institute, the Jackson Hole Historical Society and Museum, an advisory board member of the Family Office Assocaition, and the East West Institute, a global conflict prevention think and do tank, and holds other board, adv board, and investment committee positions, including treasurer of the Jackson Hole Center for Global Affairs. He has spoken at numerous forums in Asia, Europe and the US, and was an advisor/participant in the Far Eastern Economic Review ‘Where To Put Your Money’ Quarterly’s in Asia. He has written about family offices, family wealth advising, private banking and the concept/role of trusted family advisors.


James Turner picture

James Turner

James Turner, JD, Swankin and Turner

James S. Turner, Esq., a principal in the law firm Swankin & Turner, represents EHT pro bono regarding the promotion of the right to know about environmental health hazards, and was the primary author of the Amicus Brief submitted in support of the City of San Francisco as well as businesses, individuals and consumer groups in a wide variety of regulatory matters concerning food, drug, health, environmental and product-safety matters. Mr. Turner has served as special counsel to the Senate Select Committee on Food, Nutrition, and Health and to the Senate Government Operations Subcommittee on Government Research. Recently Mr. Turner was the lead attorney on a successful petition to the FDA to reclassify acupuncture needles from Class III to Class II medical devices, permitting their legal importation and distribution. He is a graduate of The Ohio State University School of Law.He has appeared before every major consumer regulatory agency, including the Food and Drug Administration, Environmental Protection Agency, Consumer Product Safety Commission and Federal Trade Commission, as well as the Department of Agriculture and the National Institutes of Health. Mr. Turner has served as special counsel to the Senate Select Committee on Food, Nutrition, and Health and to the Senate Government Operations Subcommittee on Government Research. He has also been a policy consultant to major corporations in the food, pharmaceutical and telecommunications industries, including such companies as Kraft Foods, The Quaker Oats Company, Hoffmann-LaRoche and AT&T. He is a graduate of The Ohio State University School of Law.

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