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PBSI Leadership

Stephanie Drilling: Stephanie Drilling is the CEO of Professional Business Solutions, Inc. With more than 20 years of financial reporting, management and consulting experience, Ms. Drilling has managed client assignments in the areas of operations, business strategy, human resources, supply chain management and information technology across multiple industries. Ms. Drilling has implemented programs for the International Monetary Fund (IMF,) Inter-American Development Bank (IADB,) Orlando Convention Center, Warner Brothers, MasterCard and others. Stephanie is a Project Management Professional (PMP,) Six Sigma Black Belt Program Qualified consultant, and Certified Management Accountant (CMA.) and Stephanie has a Masters in Business Administration (MBA) from Southern Illinois University and a Bachelors in Business Administration - Accounting emphasis from University of Missouri - St. Louis

Donnell Christian: Prior to coming to PBSI, Donnell was the Forensic Science Development Coordinator for the U.S. Department of Justice’s International Criminal Investigative Training Assistance Program (ICITAP). With ICITAP, he has assisted in establishing forensic science programs in the developing democracies of Armenia, Azerbaijan, Bulgaria, Georgia, Kazakhstan, Kyrgyzstan, Senegal, Turkmenistan and Uzbekistan as well as the post conflict countries of Bosnia, Haiti, Kosovo and Iraq. Mr. Christian has utilized his 15 years of experience with the Arizona Department of Public Safety Crime Laboratory specializing in forensic chemistry and the clandestine manufacture of drugs and explosives as the basis for three books and numerous articles: Forensic Investigation of Clandestine Laboratories (CRC Press 2003), Field Guide to Clandestine Laboratory Identification and Investigation (CRC Press 2004) and Clandestine Lab Investigation Pocket Guide (PBSI 2006) as well as chapters in Forensic Science, An Introduction to Forensic Investigative Techniques (CRC Press 2003, 2005, 2009) and The Forensic Science Handbook (Humana Press 2006.) Donnell has a Bachelor of Science degree in Chemistry and Police Administration from Northern Arizona University.

Our Team of Experts

PBSI utilizes a consortium of subject matter experts as advisors to the training and technical assistance programs we provide. PBSI principals and advisors provide more than just consulting and academic experience. Each member of our team has two or more decades of HANDS-ON experience. Our team’s experience spans the gamut of criminal justice system providers to include applications at the local, county, state and national levels and business systems professionals. We understand complex environments and our advisors include some of the country’s leading experts in the areas of organization transformation, forensic science, law enforcement and corrections. Our advisors understand and are able to adapt to the unique situations of implementing programs in organizations of all sizes or the challenging conditions of developing democracies and post conflict nations.

Professional Certifications

A sampling of professional certifications held by our principals and advisors include:

• Certified Forensic Consultant, American College of Forensic Examiners
• Certified Examiner of Questioned Documents; US Secret Service
• Diplomat: American Board of Criminalistics
• Inspector: ASCLD/LAB Legacy
• Inspector: ASCLD/LAB International
• Project Management Professional
• Certified Management Accountant
• Six Sigma Black Belt

Professional Associations and Memberships

PBSI principals and advisors belong to numerous associations. A few of these include: