Attorney Bio and Staff
Kiefner Law Offices, P.A is a team of securities and business professionals serving clients throughout Florida from offices in St. Petersburg. Find out more about the team of legal professionals at Kiefner Law Offices, P.A. by clicking these links:
Click here to contact a lawyer about securities or business issues or call Kiefner Law Offices, P.A. at 727-894-8000, toll free at 888-309-8012.
John R. Kiefner, Jr.—Attorney

Email: Jack Kiefner | Phone: 727-894-8000 | Toll Free: 888-309-8012 | Fax: 727-894-8002
Areas of practice
- Securities litigation
- Securities transactions
- Commercial litigation
- Administrative law
- Financial Industry Regulatory Authority, Inc. (FINRA) arbitration
- Securities arbitration
Admitted to practice
- Florida, 1971
- U.S. District Court, Northern District of Florida, 1971
- U.S. Court of Military Appeals, 1971
- U.S. Supreme Court, 1980
- U.S. Tax Court, 1982
- U.S. District Court, Middle District of Florida
- U.S. Court of Appeals, 9th, 11th and District of Columbia Circuits
Award
Education
- Stetson University, J.D., 1971
- Johns Hopkins University, B.A., 1968
Professional memberships
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Professional accomplishments
- Certified as a Civil Trial Advocate by the National Board of Trial Advocacy
- Adjunct Professor, Stetson University College of Law, 1983–1985
- Regional Trial Counsel, U.S. Securities and Exchange Commission, Washington, D.C. Regional Office, 1977–1982
- Appointed to Board of Governors, Grievance Committee, The Florida Bar
- Captain, U.S. Army Reserve, 1968–1976
Karen Widell—Certified Legal Assistant
Email: Karen Widell
Phone: 727-894-8000
Toll Free: 888-309-8012
Fax: 727-894-8002
Karen graduated from St. Petersburg College in 1985 with an A.S. in Legal Assistant. She has worked as a securities paralegal for 16 years at private law firms and in the legal department of a regional securities broker-dealer. Karen is an integral part of the firm’s litigation team, and is involved in every aspect of securities-related matters. Her job responsibilities include preparation of initial drafts of pleadings, legal research, discovery-related tasks, and assistance at arbitration final hearings. Karen also has substantial experience in corporate matters, including the preparation of required disclosure documentation in connection with private placements. Karen also serves as an industry-designated arbitrator for FINRA.
Certifications
- Certified Legal Assistant
- FINRA arbitrator
- Notary public
Education
- St. Petersburg College, AA in legal assisting, 1985
- High honors
BC Kiefner—Office Administrator
Email: BC Kiefner | Phone: 727-894-8000 | Toll Free: 888-309-8012 | Fax: 727-894-8002
BC handles all administrative and personnel matters associated with the law firm including, but not limited to, file maintenance, client contact support, information technology control, billing, collection, employee oversight, trust accounting, preparation and filing of necessary tax documents, and inventory control.
Professional affiliations
- Capri Gulfgate Townhomes Homeowners Association, Inc., president 2001–present
- Save Our Strays, Inc., president 1984–2005




