John S. MacArthur

John S. MacArthur is an Executive Advisory Board Member with About The Kids Foundation. A proud father of three incredible young men, John brings a global reputation with 30 years of Senior Executive level experience from EY and Morgan Stanley in international tax, financial services, and private equity tax sector.

As a world-renowned subject matter expert, John is a frequent speaker on the full array of international tax matters, particularly in the area of financial services.

Currently, John is a Principal and Founding Member of Aptis Global, LLC. John brought 30 years of international tax experience to the Aptis global strategy team. He served as the Global Private Equity Tax Sector Leader at EY, and also led the Asia Pacific International Tax Services practice in Hong Kong, and was the leader of the Pacific Northwest International Tax Practice. Having augmented his credentials as an Executive Director at Morgan Stanley during his career, John has built a global reputation as a thought leader in taxation of financial institutions, derivatives, and cross-border investment transactions, as well as global private equity and debt capital market financing transactions.

John earned his J.D. at Mitchell Hamline School of Law, where he has had the honor to serve as an Associate Professor during the 2016-2017 academic year, and his B.A. in Economics with Distinction from St. Olaf College. John also earned his Series 7 and Series 48 certifications.

John and his three sons share a passion for the outdoors along with their sidekick and hunting dog, Luna. The MacArthur roots run nearly 200 years deep in Minneapolis where John currently resides, enabling him to continue his long-term investment as a sponsor of the Boys and Girls Club of Minneapolis and Volunteers of America of Minnesota.