MacDonald Joins Whittier Trust as Senior VP

Investor - People | Jul 15, 2025 | Whittier Trust Co

Whittier Trust has appointed Kiley Barnhorst MacDonald as Senior Vice President and Client Advisor in their San Diego office. With over three decades of experience in legal, corporate, and nonprofit sectors, MacDonald is integrated into Whittier Trust’s team to strengthen their client advisory services. A fifth-generation Southern Californian, she is renowned for her expertise in trust and estate planning, fiduciary oversight, philanthropic strategy, and family governance. The appointment seeks to bolster Whittier Trust’s presence in San Diego by leveraging MacDonald's reputation and deep connections in the community. Previously, MacDonald held a notable position at Northern Trust Wealth Management and has a distinguished educational background, including a JD from UCLA School of Law.

Sectors

Wealth Management
Legal Services

Geography

United States – The article discusses Whittier Trust's expansion in the San Diego region of the United States.
California – Kiley Barnhorst MacDonald is a native Californian and the article focuses on Whittier Trust's activities within the state.

Industry

Wealth Management – The article discusses Whittier Trust Co., a wealth management firm, and its strategic hire to enhance client advisory services.
Legal Services – Kiley Barnhorst MacDonald’s background in legal services with a specialization in estate planning and trust law is significant for her role in Whittier Trust.

Financials

Participants

Name	Role	Type	Description
Whittier Trust Co.	Private Equity Firm	Company	A wealth management firm expanding its operations in San Diego.
Kiley Barnhorst MacDonald	Senior Vice President, Client Advisor	Person	A seasoned advisor appointed by Whittier Trust for her expertise in trust and estates.
Northern Trust Wealth Management	Former Employer of Kiley Barnhorst MacDonald	Company	Prior employer of Kiley, where she served as Senior Trust Advisor.