Tax Intern - Spring 2028

Moore Colson adds ultra-high-net-worth tax and Family Office expert Justin Atchison as tax Director. Monday, June 15th, 2026 Moore Colson, an award-winning accounting and advisory firm in Atlanta, recently announced the addition of Justin Atchison, CPA, as a Director in the firm's Tax Practice Area. Atchison brings more than 12 years of experience serving complex clients across family office tax, estate and gift planning, and closely held enterprise structures. At Moore Colson, he will focus on tax planning, compliance and advisory services for ultra-high-net-worth individuals, multi-generational families, family offices, closely held businesses and sports and entertainment clients. He will plan and organize client engagements, develop tax strategies and advise clients on wealth preservation, transfer planning and charitable giving. Before joining Moore Colson, Atchison was a tax senior manager at a top 10 accounting firm, where he led the Nashville family office tax practice and co-led the national sports and entertainment tax practice. He advised athletes and entertainers on name, image and likeness (NIL) income planning, catalog sales, touring and performance taxation, residency strategy, and multi-state tax complexity. He also served as a firmwide technical authority on maritime and collectibles taxation. Atchison earned a Master of Business Administration from Murray State University and a Bachelor of Science in Accounting from the University of Kentucky. He also holds a Certificate in Family Office Dynamics from Cornell University. He is a member of the American Institute of Certified Public Accountants (AICPA), the Association for Corporate Growth (ACG) where he serves on the Tennessee Board of Directors and the Tennessee Society of Certified Public Accountants (TSCPA). "Joining Moore Colson is an exciting next step in my career," said Atchison. "I look forward to bringing my experience in family office tax and sports and entertainment advisory to help our clients navigate complex financial situations and reach their goals." "We are thrilled to welcome Justin to Moore Colson," said Adam Bateman, Partner and Tax Practice Area Leader. "Justin's experience as an advisor to ultra-high-net-worth individuals and families is a tremendous asset to our team and the clients we serve. As a firm that has grown exclusively through organic growth and remains firmly committed to independence, we continue to see rising demand from ultra-high-net-worth clients who value the highly personalized service Moore Colson delivers, and Justin is well positioned to serve them."

Moore Colson announces the hiring of Justin Castagnacci as Assurance Director. March 19, 2026 ATLANTA, GEORGIA Moore Colson, an award-winning accounting and advisory firm in Atlanta, recently announced the hiring of Justin Castagnacci, CPA, as a Director in Moore Colson's Assurance Practice Area. Castagnacci brings more than 17 years of experience in public accounting, specializing in the manufacturing, distribution and technology industries. At Moore Colson, he will plan and oversee financial statement audit and review engagements, lead teams across multiple engagements and manage staff members while enabling the firm's continued growth. Before joining Moore Colson, Castagnacci spent more than 10 years at BDO USA, where he managed multi-location integrated audits across a range of industries and reviewed SEC filings, including forms 10-K, 10-Q and S-1. He has led GAAS and PCAOB audits, including integrated audits with internal controls over financial reporting, and worked closely with clients on complex technical accounting matters, including business combinations, debt and equity transactions, and SPAC/IPO transactions. Castagnacci earned a Bachelor of Science in Accounting from Pennsylvania State University. He is a member of the American Institute of Certified Public Accountants (AICPA) and the Georgia Society of Certified Public Accountants (GSCPA). "I am excited to join Moore Colson and contribute to the firm's Assurance Practice Area," said Castagnacci. "Moore Colson's reputation for quality and its commitment to client success align with my own professional values. I look forward to working alongside a talented team to deliver meaningful results for our clients." "We are thrilled to welcome Justin to Moore Colson," said Partner and Assurance Practice Area Leader Candace Jackson. "His deep technical expertise in auditing and his experience with complex engagements will be a tremendous asset to our team and our clients. We look forward to seeing the difference he makes for the businesses we serve." About Moore Colson: Headquartered in Atlanta, Georgia, Moore Colson is one of the largest independent accounting and advisory firms in the United States. Its journey from a small business in the Southeast to a nationally recognized industry expert is a testament to its commitment to client success. Moore Colson pride ourselves on understanding that every business is unique, and Moore Colson lead with a client-centered approach to meet your distinct needs. At Moore Colson, Moore Colson see ourselves as more than advisors - Moore Colson is partners invested in your growth, and Moore Colson plan to grow alongside you, too. Learn more at MooreColson.com.

Moore Colson ranks top 20 on 2026 Accounting Today Regional Leaders list (Southeast). March 11, 2026 ATLANTA, GEORGIA Moore Colson, an award-winning accounting and advisory firm in Atlanta, has been ranked a 2026 top firm in the Southeast by Accounting Today. The publication ranks accounting firms by 2025 revenue, and Moore Colson ranks number 17 on the top 32 regional leaders list. The list includes Arkansas, Georgia, Kentucky, North Carolina, South Carolina and Tennessee-based firms. According to Accounting Today, firms in the Southeast experienced an average firm growth of 12.68%. In addition to ranking number 17 on the regional leaders list, Moore Colson also ranks as one of Accounting Today's Top Firms to Watch, a list of 46 firms nationwide that have shown strong growth and are on the path to becoming future candidates for the Top 100 national list. Accounting Today's Top 100 and Regional Leaders list is published annually. In addition to the lists, Accounting Today provides robust benchmarking data reports and growth strategy summaries of the nation's largest firms, along with the service areas and client niches where they are experiencing the most growth. "Being named a top firm in the Southeast by Accounting Today is an honor we don't take lightly," said Andy Starnes, managing partner of Moore Colson. "Our growth this year reflects the strength of the relationships we've built with our clients and the depth of talent on our team. We're focused on the future and excited about the opportunities ahead as we continue to expand our capabilities and deepen our presence in the markets we serve." About Moore Colson: Headquartered in Atlanta, Georgia, Moore Colson is one of the largest independent accounting and advisory firms in the United States. Its journey from a small business in the Southeast to a nationally recognized industry expert is a testament to its commitment to client success. Moore Colson pride ourselves on understanding that every business is unique, and Moore Colson lead with a client-centered approach to meet your distinct needs. At Moore Colson, Moore Colson see ourselves as more than advisors - Moore Colson is partners invested in your growth, and Moore Colson plan to grow alongside you, too. Learn more at MooreColson.com. About Accounting Today: