Our Staff


Luke Danielson

Luke Danielson is a lawyer, researcher and professor who has directed substantial research programs in the fields of sustainable development and mining and minerals policy. In the last two years he has taught all or part of courses in those areas at Tulane University, Simon Fraser University, Denver University and Western State College. He is a President of SDSG. Luke Danielson Curriculum Vitae.


Kristi Disney

Kristi Disney is an attorney licensed in Colorado and is SDSG’s Executive Director. Kristi is a graduate of the University of Denver Sturm College of Law, where she completed J.D. and LL.M degrees, with specializations in Environmental Law & Policy and International Resources Transactions Law & Policy.  Originally from East Tennessee, Kristi received her undergraduate degree from the University of Tennessee, Knoxville, where she majored in social work and minored in journalism and economics. Prior to her work with SDSG, Kristi worked on international trade and development issues in the U.S., Canada, Mexico, India, Cuba, and Brazil; provided services to victims of violence and war trauma in the U.S., Ireland, and Bosnia-Herzegovina; and worked on toxic tort claims at a leading personal injury law firm in New York City.


Mary Jo Marvel

Mary Jo Marvel is the office manager for Luke J. Danielson. She is originally from Denver but, has been a Gunnison resident on and off for the past 28 years.  She originally came to Gunnison to attend Western State College, where she obtained her BA in Business Administration with an emphasis in Management.  Mary Jo has been an active member of the national organization of Business & Professional Women.  She loves Gunnison for its wide open spaces, exceptional scenery and easy access to hiking, biking and skiing. 


Marketa Zubkova

Marketa Zubkova

Marketa Zubkova comes from the Czech Republic and has been living in Crested Butte for ten years. Besides her work for SDSG she volunteers as an interpreter, and ESL teacher. Marketa’s passion about immigrant integration made her to pursue her Masters in Cultural Studies with Emphasis on Latin America from the Prescott College, Arizona.  Outside of work, she enjoys skiing, biking, hiking and practicing yoga.