Mary Ann Sisco — Head of GFO Advisory, Global Family and Private Investment Offices · Northern Trust

Mary Ann Sisco — Head of GFO Advisory, Global Family and Private Investment Offices · Northern Trust · Greater Chicago Area.

Direct contact

No direct contact on file for Mary yet.

About

Mary Ann has dedicated her career to advising ultra high net worth individuals and families, with deep expertise in working with business owners and entrepreneurs. She specializes in guiding clients through the design and implementation of sophisticated strategies for:

• Family office creation, governance, and administration • Estate and wealth transfer planning • Business succession strategies • Family education and legacy planning • Charitable and philanthropic initiatives

Drawing on extensive experience, Mary Ann helps families bring clarity, structure, and purpose to the management and tax-efficient transfer of wealth across generations.

📩 Connect: [email protected]

Experience

Head of GFO Advisory, Global Family and Private Investment OfficesCurrent
Northern Trust · Chicago, Illinois, United States
Oct 2025 – Present
Provide strategic leadership to a multidisciplinary team that delivers integrated Advisory Services across our Global Family and Investment Office (GFO) platform. Our expertise spans Family Office Technology, Partnership Accounting, Tax Operations and Efficiency, Family Office Advisory, and Wealth Planning.
Regional Senior Wealth Advisor
The Northern Trust · Chicago, IL
2009 – Oct 2025
I am part of the ultra high net worth advisory team. We act as a virtual family office for our clients and focus on delivering holistic advice as part of a goals driven wealth management process. As Regional Senior Wealth Advisor, I assist our clients in updating, revising and/or crafting strategic wealth plans. Main areas of expertise span tax efficient wealth transfer, estate planning, business owner succession planning, risk review, family education and governance structures as well as comprehensive charitable planning. We partner closely with our client’s outside advisors to bring a fully functioning team together to work collaboratively for our clients. Past roles at Northern include Trust and Advisory Practice Director of Strategy and Innovation and Director of PFS Client Solutions. Northern Trust's Trust and Advisory Services Practice consists of 7 sub-practices: Trust Administration, Estate Settlement and Guardianship, Financial Consulting, Wealth Transfer Planning, Philanthropy, Family Education and Governance, and Specialty Assets (Family Business, Real Estate and Oil & Gas interests).