Judy Bieri graduated from Stevens High School, Rapid City, South Dakota. While attending National College of Business in Rapid City, she worked at the Stanton Law firm. Upon obtaining her degree from National College, she moved to North Dakota where she worked for the Mountrail County States Attorney/Schulte and Enget Law Firm for 20 years. Judy attained her Certified Legal Assistant designation in 1987. Upon returning to the state of South Dakota, Judy began working for the Costello Porter Law Firm in 1994.

While working at the Costello Porter Law Firm, some of the areas Judy has worked in include: Architect and engineer contracts and litigation, commercial disputes and litigation, construction contracts, construction liens, construction litigation and arbitration, estate contests, eminent domain, fire loss, personal injury/wrongful death and property development.

Judy is a long-time member of the National Association of Legal Assistants, as well as the South Dakota Paralegal Association.

Vikki Kelner graduated from Douglas High School and National College. She worked for four years as a legal secretary to the general counsel for Pete Lien & Sons, Inc., followed by four years as a legal secretary handling the juvenile and civil divisions for the Pennington County State's Attorney's Office. She joined Costello Porter Law Firm in 1994 and worked for six years as a legal secretary, then attained her Certified Legal Assistant designation and became a paralegal for the Firm. In 2002, she became one of only eight Certified Litigation Specialists in the state of South Dakota in 2002.

She has been active in the Black Hills Legal Professionals for a number of years and has held numerous offices within the organization. She is currently a member of the National Association of Legal Assistants as well as NALS.

Ms. Kelner is married to Mike, a private investigator; she has a son, Mike, serving in the United States Air Force; and two stepchildren, Marcus and Ashley.

Jacci began working for Costello Porter in 2003. Prior to coming to the firm, she served as the Paralegal for the South Dakota Department of Labor handling inquiries from consumers, claims representatives, attorneys and legislators. She has conducted numerous seminars through out South Dakota on workers' compensation compliance and claims handling as well as labor and employment rules and regulation. Jacci also worked as Chief Clerk and Paralegal for the Office of Administrative Hearings with 12 administrative law judges handling contested cases involving unemployment insurance appeals, wrongful discharge issues, drivers license revocations, property tax appeals and real estate agent disputes.

In addition, Jacci has experience in property/casualty insurance issues since she also served as the property/casualty complaint investigator for the South Dakota Division of Insurance where she investigated agent and company misconduct. She carried a caseload of over 150 filed complaints per month investigating claims issues involving auto and homeowners insurance as well as crop/hail insurance.

While working for Costello Porter, Jacci has assisted with cases involving bad faith, product liability, wrongful death, auto insurance, workers' compensation insurance, will contests, professional liability, health insurance, mechanics liens and a wide variety of other issues.