About Stephen Jeppsen
Stephen Jeppsen Mayfield is a partner at York Howell & Guymon, a prominent law firm located in South Jordan, Utah. Specializing in estate planning, business law, asset protection, and probate, Mr. Mayfield provides comprehensive legal services to clients across multiple states. He is licensed to practice law in Utah, Nevada, and Wyoming. This lets the attorney assist clients with their legal needs in these jurisdictions. In 2004, Mr. Mayfield earned his Juris Doctor from Chicago-Kent College of Law, part of the Illinois Institute of Technology.
His commitment to furthering his legal education led him to obtain a Master of Laws in Taxation from the University of Denver in 2005. This advanced degree enhances his expertise in tax-related matters, particularly within the realms of estate planning and asset protection. His estate planning practice involves drafting essential legal documents such as wills, trusts, and powers of attorney. Moreover, he creates asset protection plans, including the formation of personal Limited Liability Companies (LLCs) and specialized asset protection trusts. Mr. Mayfield's proficiency extends to complex estate devices, including Irrevocable Life Insurance Trusts (ILITs), Grantor Retained Annuity Trusts (GRATs), Qualified Personal Residence Trusts (QPRTs), and Charitable Remainder Annuity Trusts (CRATs). His probate practice covers a broad spectrum, including general probate administration, trust administration, guardianship, and conservatorship.
He is also experienced in trust and probate litigation, having testified as an expert witness and prepared expert witness reports in these areas. His experience equips him to handle the details of probate and trust disputes effectively. Before joining York Howell & Guymon in 2014, Mr. Mayfield held various positions that enriched his legal career. From 2013 to 2014, he served as of counsel at Richards Brandt Miller Nelson. Prior to that, he was a senior associate at Hutchison & Steffen from 2008 to 2013 and began his career as an associate attorney at Gerrard, Cox & Larsen from 2006 to 2008. These roles provided him with a solid foundation in both litigation and transactional law.
Mr. Mayfield is an active member of the Utah State Bar, the Nevada State Bar, and the Wyoming State Bar. His professional achievements include being recognized as a Utah Business "Legal Elite" in Mergers & Acquisitions from 2018 to 2020. Residing in American Fork, Utah, he is engaged in his community, particularly through his family's involvement with the American Fork High School Marching Band. Outside of his professional life, Mr. Mayfield enjoys cycling, skiing, and playing the guitar, reflecting his diverse interests and commitment to a well-rounded lifestyle.
