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Law firm located in Pocatello, Idaho
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Mark A. Echo Hawk

Mark Echo Hawk has built and managed a successful Indian law practice since 2000, specializing in Indian law matters and championing tribal interests. Mark represents tribal governments on all matters including economic development, SBA 8(a) contracting, taxation, land and natural resource use, jurisdictional matters, contracts, code drafting and revision, TERO, schools and education, tribal courts, gaming, and lobbying. He also maintains an active practice representing businesses with formation, litigation, and contracts, and represents individuals in personal injury and criminal cases. In addition to advocating for tribal governments, he has also served as tribal prosecutor and tribal judge. Mark speaks Spanish fluently and enjoys running, hiking, archery, and sports.

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Eric L. Olsen

Eric has over 28 years of practice and has worked with small to mid-sized companies in all phases of their business activities. This includes formation and raising capital, protection of intellectual property, resolving disputes between owners, growth through mergers and acquisitions of similar or complementary businesses, and the sale and transfer of the businesses to the next generation or to other market players. Many of his clients have been 8(a) business development companies that have been involved in federal contracting pursuits or ventures. Eric’s tax experience has allowed him to structure the transactions in the most tax efficient manner. He has also represented businesses before the IRS, the U.S. Tax Court and various state taxing authorities on income and ad valorem tax issues.

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Nathan R. Long

Nate started his legal career as a staff attorney to Chief US Magistrate Judge Larry M. Boyle for the District of Idaho.  From there, he was part of the litigation group of a large nationally-recognized law firm and handled litigation of all varieties, including complex business disputes, misappropriation of trade secret claims, professional malpractice defense, large personal injury matters, property damage claims, insurance coverage and indemnification claims, consumer protection claims, and debt collection matters for large financial clients.

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Joseph T. Preston

Joe is a fourth generation Idaho native. He was born and raised in Burley. He attended school and graduated from the J. Reuben Clark Law School at Brigham Young University. The majority of Joe’s practice centers around working with small businesses. He uses his considerable knowledge and experience in helping individuals establish and operate businesses and has been involved in numerous business purchase and sales. He looks for ways to maximize the protections available to his clients through this process.

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Patrick J. Davis
Attorney at Law

Patrick is a native Idahoan and has experience is in ERISA, insurance defense, and real estate litigation, including collection of unpaid benefits, legal-malpractice defense, personal injury defense, lender and servicer liability defense, wrongful foreclosure defense, fair debt collection practices defense, and title disputes. He also practices in all areas of Indian Law, particularly for the Shoshone-Bannock Tribes of the Ft. Hall Reservation.

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Marissa Mahkuk
Attorney at Law

Marissa joined the firm from Montana. She is an enrolled member of the Prairie Band Potawatomi Nation and a zealous Tribal advocate.  Marissa is passionate about her commitment to furthering tribal economic development and she is beyond excited to have the opportunity to work with the team at Echo Hawk & Olsen.

Marissa is a recent graduate from the Alexander Blewett III School of Law at the University of Montana and the College of Business at the University of Montana. She has earned her Juris Doctor, Master of Business Administration, and an additional certificate in Federal Indian Law. Before that, she graduated with honors from Montana State University Northern with a Bachelor of Science in Business Administration.

She is currently admitted to the Blackfeet Nation Tribal Bar and is authorized to practice in Blackfeet Nation Tribal courts. Marissa has experience in the many avenues of tribal law, including ICWA, gaming, business formation and 8(a) certifications for tribal entities, land disputes, and even employment in Indian Country.            
When not at work, Marissa can be usually be found outdoors! She loves the river and the mountains and uses her free time to kayak, paddleboard, ski/snowboard and hiking with her family and loved ones, especially with her  son!

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Jordan Harmon
Associate Attorney

Jordan joined Echo Hawk & Olsen as an associate attorney in December 2020 practicing in a variety of areas with an emphasis on Indian Law. She is Mvskoke (Deer Clan) from the Muscogee (Creek) Nation Reservation in Tulsa, Oklahoma. Jordan received her J.D. with a certificate in Native American Law from the University of Tulsa College of Law and her B.A. in political science from Oklahoma State University. Jordan has represented tribal nations and entities in a variety of forums, and her extensive experience includes sovereignty and jurisdictional issues, tribal lands and trusts, code drafting and revision, gaming, ICWA, economic development, contracting, BIA appeals, and NEPA, NHPA, and NAGPRA litigation.  

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Colleen Sullivan

Colleen has over 14 years of legal experience and has established herself as a valuable asset of the Echo Hawk & Olsen team. Colleen’s duties as a paralegal are predominantly concentrated on assisting Mark Echo Hawk with his Indian Law practice. She has worked with clients on SBA 8(a) Business Development certification; drafting tribal government laws, regulations, and resolutions; preparing Indian Child Welfare Act pleadings, other pleadings and court documents; as well as a broad array of other tribal business economic development matters.

Rebecca Berls

Becca grew up in Pocatello and attended Idaho State University where she earned her Associate Degree in Paralegal Studies and a Bachelors Degree with an emphasis in Political Science.  While earning her Paralegal degree, she interned at the United States, District of Idaho, Clerk’s Office.  Becca was the lead paralegal for R. Sam Hopkins, the Chapter 7 Bankruptcy Trustee, for 12 years.

After taking a few years off to raise her young children, Becca was honored to be asked to return to work for Echo Hawk & Olsen, PLLC. She has broad experience in business formations and sales, real and personal property transactions, contracts, tribal law, probate, financial auditing, estate planning, creditor rights, and bankruptcy.  

Becca loves spending time with her husband and three children and is often found at soccer and basketball games, hiking, skiing, and making home improvements.  She is also actively involved in her community as a member of the City of Chubbuck’s Land Use and Development Commission, a longtime leader in Scouts BSA, and volunteers weekly in her children's classrooms and school P.T.A.            

Heather Ann Larsen

Heather has over 20 years of legal experience in the areas of employment law, contract law, litigation, and military justice matters, with extensive experience in leadership roles and management positions.  She received her certification from the US Army Paralegal School in Fort Jackson, South Carolina, and Judge Advocate General’s School in Charlottesville, Virginia.  She is currently a senior attending Idaho State University part-time pursuing a Bachelor of Arts, in General Studies, from College of Arts & Letters. 
Heather is excited to be part of the Echo Hawk & Olsen team. 

While serving as the full-time paralegal to the State Judge Advocate in the Arizona Army National Guard she was deployed to Mosul, Iraq in 2005 and was awarded the Bronze Star Medal for Meritorious Service in Operation Iraqi Freedom.  

Heather loves being in the beautiful Idaho mountains with friends and family, ultra-trail running, backpacking, and in the winter Nordic and skate skiing.  She is actively involved in the Pocatello Running Club sharing her joy of running with the community.

William Gruel

Will practiced law as a defense attorney, focusing on immigration and criminal representation in the Mid-Atlantic region. He also worked as a full-time teacher in Idaho for three years prior to returning to the legal field. He loves teaching and continues to teach English as a second language to adults part-time through the Adult Success Center at Idaho State University.

Will enjoys exploring the Idaho area, playing golf and tennis, and spending time with his wife and children.

Andrew Henderson

Andrew joins our firm after graduating Idaho State University where he earned his Associate Degree in Paralegal Studies and was honored for making the Dean’s list. After spending almost two decades as an Area Manager for two local restaurants, he returned to school and decided to enter the legal profession. His acute attention to detail and experience in the customer service industry has provided him with exceptional communication and organizational skills that will enable him to excel as a Paralegal.

Andrew enjoys volunteering in his local community and is an avid fan of basketball. He has spent time as an assistant coach for a local junior high school in addition to coaching the girls’ basketball team at Holy Spirit Catholic School. He is passionate about coaching and enjoys the interaction with the players. On top of coaching Andrew has also been a certified basketball referee and loves to teach children about the game of basketball.

When Andrew is not working or coaching, he enjoys spending his time with his wife and four daughters. His hobbies include playing music, riding motorcycles, and any outdoor activity. He loves to snowboard/ski with his children during the winter, and enjoys spending summer days at their family cabin in the Palisades area.

Patty Olsen
Office Manager

Patty is happy to be part of the team at Echo Hawk & Olsen. As Eric’s wife she is his biggest fan and has watched him become more and more accomplished in his practice. Patty worked in a legal office job previously, was well trained, and now enjoys the opportunity to work with the  great staff here at Echo Hawk & Olsen. She oversees the books and deals with vendors for the firm’s needs.

She enjoys painting, golf, reading, art and spending time with her family.

Taysha Felton
Assistant Office Manager/Paralegal

Taysha is our Assistant Office Manager/Paralegal, she has extensive experience with all Administrative tasks, including scheduling, correspondence and assisting with document preparation. Having held positions in Corporate Human Resources, Risk Management and business fields, Taysha is able to tailor her skills to meet the needs of the various clients.  She has a strong passion for research and fact finding which has enabled her to excel in her professional career. 

Taysha is also very active serving in the community. She is a member of the Bannock Civitan's and is involved with multiple committees throughout the organization. Taysha was recognized for her outstanding servitude by receiving the New Civitan of the year for 2018. She loves this organization that helps to raise funds for local developmentally disabled citizens.

Outside of work and volunteering, Taysha enjoys camping, fishing and being outdoors with her family. She takes full advantage of our beautiful geographic location and its proximity to so many lakes, mountains and trails.

Dallon Echo Hawk
Law Clerk

Dallon Echo Hawk was born and raised in Pocatello, Idaho. He studied Finance and Spanish at BYU and is now attending the Sandra Day O’Connor College of Law at Arizona State University in Phoenix. After he graduates in May of 2022 he plans to practice in Indian Law, Health Law, and Business Law. As a law clerk working part-time for the firm, he enjoys his legal research and writing project assignments for tribal clients. Topics and experience areas Dallon has had from these projects since 2018 include: tribal sovereign immunity, tribal council member due process rights, tribal business and government organizations, treaty rights, civil procedure and civil litigation issues, contracts, and administrative law principles.

In addition to his law courses, Dallon participates in the J. Reuben Clark Law Society, the Native American Law Students Association, the Health Law Society, the Native American Bar Association in Arizona, and the ASU Indian Law Leadership Fellowship Program.  

When Dallon is not working he enjoys family time, traveling, and watching college football. Some of his hobbies include running, cooking, and hiking. 

Savannah Echo Hawk
Legal Secretary

Savannah is happy to be a part of the team at Echo Hawk & Olsen. She was born and raised in Pocatello, Idaho. She is currently studying at Dixie State University and will graduate with a bachelor’s degree in psychology and a minor in social justice in December of 2021. After graduating she plans to attend law school and one day practice in Indian Law.

Savannah’s duties predominantly focus on assisting Colleen Sullivan and Mark Echo Hawk with Indian Law practice. Savannah enjoys being outdoors and spending time with family and friends.

Rachel Marchant
Legal Secretary/Receptionist

Rachel enjoys working at Echo Hawk & Olsen as a Legal Secretary & Receptionist. She is highly organized and has a high attention to detail that shows in her experience with subcontract agreements, document creation, contract documentation and she offers great office support. She loves to help others by working with the great attorneys at Echo Hawk & Olsen.

Rachel has enjoyed living all over the west and meeting great people. She has four children and loves to volunteer, travel with her husband, enjoys anything outdoors, flowers and gardening.

Maureen McConnell

Maureen is excited to be part of the Echo Hawk & Olsen team. She recently graduated summa cum laude from Brigham Young University-Idaho with her bachelors in University Studies with a minor in Business Management. She is also an accomplished pianist and has been a private piano teacher for the past 17 years and continues to teach today, she loves helping her students discover their potential and see them excel.

She moved to the Pocatello area after living for 24 years in Vancouver, Washington. She loves playing piano, biking, hiking, swimming, and gardening with her husband and four children.

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