Financial professionals are undoubtedly familiar with the financial planning issues that older clients face: the need to maximize Social Security benefits, develop an income stream to last throughout retirement, ensure that health care costs are covered, and ultimately develop an estate plan to transfer assets to heirs in a tax-efficient manner. To ethically serve the wave of aging baby boomers, financial professionals must be prepared to address the important issue of diminished capacity. Those who understand the signs of cognitive decline and develop protocols and strategies for working with such impairment can help ensure that clients are protected during a vulnerable stage in their lives.