Dennis Drellishak is the President and Founder of Corporate Screening Services, Inc., Background Express and The Intelligence Group International. He is a leading authority in the business information services industry having performed high level business investigations, pre-employment screening and loss prevention programs since 1981.

Prior to establishing Corporate Screening Services, Drellishak served as an investigator with the State of Ohio, as Area Security Manager for a national drug store chain, and as the President of another professional investigative firm.

Drellishak has successfully assisted thousands of clients in the development of innovative and cost effective screening programs. CSS is a leader in employment screening technology, including utilizing the Internet to retrieve background investigation results and updates. Corporate Screening Services' secure website, www.corporatescreening.com is home to CSS EASE, the Electronic Applicant Screening Engine.

Drellishak is a frequent speaker on investigative techniques and loss prevention issues to Professional, Human Resource, Security and Community Groups. He has served on the Security Loss Prevention Advisory Committee at Lakeland Community College, where he has also been an instructor on investigations and corporate security. Drellishak has also instructed a course on automated research in criminal justice at Lorain County Community College.

A graduate of Akron University, he holds a Bachelor of Science Degree in Political Science/Criminal Justice and has attended numerous seminars and programs by federal, state, local, and other criminal justice agencies.

Drellishak is active in the security community with memberships in a number of professional groups, including ASIS (American Society for Industrial Security), WAD (World Association of Detective), NCISS (The National Council of Investigative & Security Services. He is also a former board member of the Ohio Association of Security & Investigation Services and was previously the Local Chapter Chairman. He served on the Ohio Attorney General's Task Force to study Public Records Law in 1993.

Greg Dubecky is General Manager of Corporate Screening Services, Inc., one of the leading employment screening and business intelligence firms in the country.  Greg is responsible for the strategic direction and all company operations including sales, marketing, product development, and investigative services.

Prior to leading Corporate Screening, Greg gained valuable experience as a senior business development representative and was responsible for securing multi-year relationships with some of the country’s leading manufacturing, health care and technology firms.  Under Greg’s direction, Corporate Screening has enjoyed significant growth and has been recognized as one of the fastest growing companies in Northeast Ohio and named one of the top 23 screening firms in the country.  Greg currently sits on the committee for Ethics and Accreditation for the National Association for Professional Background Screening.

Prior to joining Corporate Screening in 1995, Greg spent 5 years in investigative related positions with the United States Marshal Service and Bank One Corporation.  Greg’s industry knowledge, as well as his experience conducting professional investigations give him insight into the specific problems and concerns of human resource and loss prevention professionals.  

Todd Feher has been with Corporate Screening Services, Inc. since 1992. His responsibilities have ranged from workers compensation and personal injury surveillance and investigations to pre-employment screening and business background investigations. Feher brings a strong investigative background to his position.

In addition to supervising company operations, Feher conducts specialized investigations for clients needing in-depth research into the background of a person or company.

Feher holds a Bachelor of Arts in Business Administration from Baldwin Wallace College, and an Associate of Applied Science degree in Security and Loss Prevention from Lakeland Community College. His educational background also includes various seminars for videography and interview and interrogation.

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