Nancy is a shareholder at McDonough Holland & Allen PC, one of Sacramento's largest law firms. She has a transactional practice which emphasizes business, commercial and health care law, particularly acquisitions and sales of businesses, business counseling and secured financing transactions. She serves as general counsel to a number of California corporations, both for profit and nonprofit organizations. Her advice to nonprofits, principally trade associations and charitable organizations, focuses on formation, governance, tax-exemption and compliance matters, and relationships between affiliated for profit and nonprofit entities.

In 1989, Nancy was elected the first female President of the Asian Bar Association of Sacramento. She remains active in the Mentor/Mentee Program, and when she can get Judge Cheryl Chun Meegan, Noël Edson and Terri Newman to play with her, enjoys playing in the annual ABAS Golf Tournament! She is a past President of the Asian/Pacific Bar of California, the National Asian Pacific American Bar Association (NAPABA) and the NAPABA Law Foundation. Currently, she serves on the board of the Asian American Justice Center (formerly the National Asian Pacific American Legal Consortium), Asian Legal Services Outreach, Inc., First US Community Credit Union, the Nonprofit Resource Center, and Sierra Health Foundation. She is also on the Advisory Committee of My Sister's House, a safe haven for battered Asian and Pacific Islander women and children.

Nancy holds a bachelor's degree in business from the University of California at Berkeley, a law degree from Hastings College of the Law and a master's degree in business from the University of California at Los Angeles.