
Haley K. Dierks
ATTORNEY AT LAW
Biography
Haley K. Dierks focuses her practice in the areas of health care law, cybersecurity and data protection matters, and corporate law. Her experiences include drafting and negotiating contracts, updating filings for businesses, completing other required business filings; drafting and negotiating contracts for health care clients, as well as research and advise on changes in the laws affecting school and government policies and regulations.
Ms. Dierks graduated from Saint Louis University School of Law with a certificate in Health Care Law. While at Saint Louis University School of Law, she served as a lead editor on the Journal of Health Law and Policy.
Professional Associations
- American Bar Association
- American Health Lawyers Association
- The Missouri Bar
- Bar Association of Metropolitan St. Louis
- Missouri Society of Health Care Attorneys
- St. Louis Health Lawyer Association
- Women’s Lawyer Association of St. Louis
- USLAW Network, Inc., Women’s Connection
- Saint Louis University School of Law
Journal of Health Law and Policy, 2022 – 2024
Practice Areas
- Health Care
- Business & Corporate
- Cybersecurity and Privacy Matters
Bar Admissions
- Supreme Court of Missouri
Education
- J.D., Magna Cum Laude, Saint Louis University School of Law, 2024
Certificate in Health Law, Dean’s Scholar, Dean’s Award for Academic Excellence - B.A., Health and Human Physiology: Health Studies, University of Iowa, 2018
Employment History
- Lashly & Baer, P.C.
Associate, 2024 – Present
Summer Associate – 2023 - Department of Justice, Antitrust Division, Healthcare and Consumer Products Section
Legal Intern, 2024 - Legal Services of Eastern Missouri
Legal Intern, 2022
Plan Your Visit

Lashly & Baer, P.C.
ST. LOUIS OFFICE
ILLINOIS OFFICE
20 East Main Street
Belleville, IL 62220
Map & Directions
By Appointment Only
Call: 618-233-5587
Fax: 314-621-6844