ADDING VALUE FOR OVER 50 YEARS
We’ve gained experience in a wide range of industries, advised both young and established businesses, and helped individuals create their future. The common thread is our belief that CPAs and financial planners should add value to the big picture, not just balance the books. Our Frisco-based team is made up of experts in the field who see the potential in every unique client they work with. Experts who have problem-solved and built success throughout their careers across a broad spectrum of industries. Together, we provide comprehensive and detailed expertise to the people who do business with us.
With the massive growth occurring in the North Dallas area, MRM knew we wanted to base our CPA firm in Frisco, Texas. In 2015, we relocated from Downtown Dallas and opened our doors in Hall Park, putting us at the heart of one of the nation’s fastest-growing cities. The MRM team is proud to offer communities across the metroplex a convenient resource for CPA and financial advisory services.
Brett Mills, CPA/PFS
- Managing Partner
Brett joined the McCarthy, Rose & Mills, LLP accounting firm 16 years ago and was named managing partner in 2018. He is a Certified Public Accountant (CPA) and a Personal Financial Specialist (PFS), and was honored by CPA Practice Advisor as their 2016 40 Under 40 honoree. He also received a 2018 Standing Ovation from the AICPA for his exemplary professional achievement in personal financial planning. A Southern Methodist University graduate with an MIS degree, Brett previously worked as a software engineer for five years. Brett is passionate about identifying the people, processes and technologies that enable our clients to maximize success.
John B. Mills, Jr., CPA/PFS
John has served as Managing Partner at the McCarthy, Rose & Mills, LLP accounting firm for over 40 years. Previously, John worked at the Big Four accounting firm Ernst and Ernst (now known as EY) as an auditor after graduating from Texas Tech University. John holds three professional licenses – Certified Public Accountant (CPA), Certified Fraud Examiner (CFE), and Personal Financial Specialist (PFS). John enjoys his career as a CPA as it allows him to develop longstanding, multi-generational relationships with clients in regards to the accounting, tax, and estate matters.
Brian E. Lawyer, CPA
- Assurance Partner
Brian E. Lawyer, CPA, grew up in North Texas and began his public accounting career in 2005 at a regional accounting firm headquartered in Fort Worth, TX. He made the switch to Big 4 in 2012, where he spent five years at EY's Dallas office. Brian eventually took a break from public accounting to serve as the controller for a Dallas real estate company valued at over $6 billion.
After his employer sold the company, Brian started his own consulting business, reigniting his passion for client service, and ultimately bringing him to his dream job at MRM in Frisco, TX. He has a gift for understanding issues from his client's point of view and enjoys serving clients of all sizes, from small nonprofits to large publicly traded companies, and everything in between.
He has been a Certified Public Accountant (CPA) since 2007. His areas of expertise include assurance (audit and attestation), technical accounting (GAAP and SEC), financial reporting, fair value, and complex transactions. He has experience in several industries, including real estate, healthcare, manufacturing/distribution, not-for-profit, and employee benefit plans.
Susie Short, CPA
Susie began her career as an accounting and tax intern for a large local firm in Houston, Texas, while a student at Texas A&M University. After moving to Dallas, Susie concentrated in the tax area at Fox and Company, which is now the national CPA firm Grant Thornton. She also practiced in the private sector as a controller for a venture capitalist, managing the accounting for his six start-up companies. She joined her husband Don in 1986 at Short and Associates, PC. Susie is pleased to join McCarthy, Rose, and Mills, LLP, and continue her love of providing clients with a quality, professional product that they can understand and utilize.
Don Short, CPA
Don is the founder and manager of 35 years at Short & Associates P.C., which merged with McCarthy, Rose & Mills, LLP in 2018. Before starting his practice, Don worked in both public practice and investment banking as an auditor and management advisor. He earned his license as a Certified Public Accountant in 1979, after graduating from Texas Tech University in 1977. His favorite aspect of the profession is advising clients on structuring business opportunities to their greatest advantage. Don’s areas of concentration include real estate, professional services and hospitality operations.
E. Carter Hatton, CPA
- Tax Partner
E. Carter Hatton, CPA, joined McCarthy, Rose & Mills, LLP in 2021. Carter graduated from Baylor University earning his Master of Accounting degree in 2003. Upon graduation, Carter worked his way up from tax associate to partner at Wagner, Eubank & Nicolos, LLP prior to their merger with Whitley Penn in 2017. Carter’s passion for client service stems from the dynamic and complex nature of public accounting that allows him to serve his clients' needs. His experience has been focused on partnerships, high-net-worth individuals, and trusts.
Marianne McDonald, CPA, RICP
- Senior Tax Manager
Marianne joined MRM in 2022. She has provided tax compliance and planning services to individuals, corporations, partnerships and trusts since 1989. She began her public accounting career with a regional firm in Metairie, Louisiana, became a partner in a small local CPA firm, and later joined a firm in Baton Rouge, Louisiana. Marianne moved to Frisco after Hurricane Ida hit the area.
Marianne has a Bachelor of Science in Accounting from the University of New Orleans and the designation of Retirement Income Certified Professional (RICP) from the American College of Financial Services.
Andrew H. Clayton, CPA
- Senior Assurance Manager
Andrew H. Clayton, CPA, began his public accounting career in 2009 at a small regional accounting firm in Shreveport, LA, after completing his education at Louisiana Tech University. He has been a Certified Public Accountant (CPA) since 2019. Andrew served as the Shreveport Chapter member of the Emerging CPA Council of the Society of Louisiana Certified Public Accountants, whose mission was to engage, connect, promote, and aspire new CPAs and future CPAs. His areas of expertise are assurance (audit and attestation) and financial reporting. He has experience in several industries, including manufacturing/distribution, entertainment (movie audits), not-for-profit, and employee benefit plans. Andrew is excited to join MRM and is passionate about auditing and identifying ways to help clients grow and maximize their success.
Curt Riffel, CPA
- Tax Manager
Curt joined the firm in 2021 as a member of the tax team with more than 5 years of public accounting experience. He guides and advises investors, business owners, and high-net-worth family groups with business planning, entity structuring, and estate planning. Curt’s experience spans a number of different industries including real estate, healthcare, oil and gas, and professional services. His responsibilities include managing team members to ensure clients receive great service as well as great tax planning and tax advice.
Prior to joining the firm, Curt spent several years with two other regional CPA firms in Dallas. He holds a Bachelor of Business Administration from Texas Tech University and a Master’s in Accounting from The University of Texas at Dallas.
Joey Hercules, CPA
- Tax Manager
Joey joined McCarthy, Rose & Mills LLP in 2019 after spending three years with KPMG specializing in partnerships and real estate taxation. He has a Master of Taxation from the University of North Texas and has been a Certified Public Accountant (CPA) since 2019. He has over 5 years of experience in tax planning and tax preparation for publicly traded and privately held clients. Joey’s current and past clients include leaders in real estate, asset management, professional sports franchises, and healthcare practices.
Amber K. Chatham, CSM
- Firm Administrator
Amber joined McCarthy, Rose, and Mills LLP in 2022 as the Firm Administrator. She has several years of experience in Administration and Operations in many industries, ranging from healthcare to local government, and for the last several years, public accounting. As a Certified Scrum Master, Amber also brings her knowledge of project management and servant leadership to the Firm. Her passion is helping others turn goals into reality through collaboration, planning, and execution. Amber is an active member of the CPA Firm Management Association, the Dallas Administrators Association, and the Dallas Chapter of the Society for Human Resource Management.
- Client Accounting Services Manager
Sarah Fried joined the Client Accounting Services team in 2020 and brings with her more than 19 years of accounting and business advisory experience. She is a Quickbooks Desktop and Quickbooks Online Advanced ProAdvisor. She thrives on MRM’s people-centered culture and enjoys assisting clients with achieving their accounting and business goals. Sarah’s team is focused on providing the highest quality of client care through outsourced CFO, bookkeeping, financial statement preparation, and payroll preparation services. For the last several years, she has been a member of the Board of Directors for The Colony Public Library. Sarah is a proud recipient of the Woman of the Year award from the American Business Women’s Association, The Colony chapter and has also been recognized by Texas Senator Jane Nelson for her community service.