Darci defends clients against class actions, complex business litigation, and product liability suits. She serves as co-leader of the firm's Data Privacy, Telecommunications and Collections Class Action Team. She has represented clients against claims alleging defects in medical devices, suits arising under federal and state antitrust laws and the Employee Retirement Income Security Act (ERISA), class action claims arising out of a variety of health insurance-related issues, and shareholder derivative suits. She has conducted motion, trial and appellate practice in multiple state and federal courts across the country. She represents clients from a broad range of industries including medical devices, agribusiness, health care, financial services, and insurance.

As a founding member of the firm’s Electronic Discovery Unit, Darci has lectured on the Federal Rules of Civil Procedure relating to disclosure of electronically stored information. She serves on the St. Louis office Mentoring Program Committee. She is also the chair of the national steering committee for BCLP’s women lawyers' affinity group, BCLP Women.

Darci is licensed in Missouri and Illinois, as well as in a number of federal district and appellate courts. She is an active member of DRI and the Federal Bar Association.