Meet Our Instructors

Vanguard instructors are the industry’s foremost cybersecurity experts, with over 25 years of  security expertise. Our instructors teach the latest security techniques, best practices and practical approaches to achieve the best enterprise security. As Professional Services Consultants, our instructors spend the majority of their time in the field, working on-site with customers implementing real-world security.

Dustin Hayes

Senior Professional Services Consultant

Dustin Hayes joined Vanguard’s Professional Services team in Oct 2013.

Dustin first started his professional career managing UNIX systems for the United States Air Force. Most recently before joining Vanguard’s Professional Services team, Dustin was the architect responsible for the enterprise solution to meet the PCI-DSS Level 1 card processor compliance requirements, including the design and implementation of the infrastructure team to meet a mix-environment solution. Additionally he conducted all of the required penetration testing and vulnerability assessment processes.

Currently he has expanded his knowledge to include; z/OS, Solaris, Linux, Microsoft, VMware, PBX/VoIP Phone Systems, Cisco, and Networking while continuing to focus on Security and GRC related issues. This specialized background has resulted in experience with multiple different regulatory and compliance projects. He has over 10 years’ experience maintaining online transaction-based data centers in multiple states and countries.

John Hilman

Senior Professional Services Consultant

John Hilman brought over 25 years of information systems experience when he joined Vanguard’s Professional Services team in 2005. Leveraging his technical background and expertise, John aids clients with security assessments, remediation projects, DB2 internal security migration and training for security administrators.


Prior to joining Vanguard, John spent 20 years with IBM, the last five as a Certified Technical Trainer for RACF security. Throughout his extensive career, he has held numerous IT positions in Computer Operations, Systems Programming, Security Audit, and Security Administration.


After his tenure at IBM, John accepted the role of Training Director at EKC, Inc. where he was responsible for training security administrators and auditors on using the CA-ACF2 and RACF security subsystems. John´s expertise has made him a highly sought after speaker and educator. His engagements include CA World, IBM Secure World and Vanguard´s own Security Conferences, where he has been awarded the Top Gun Award three times. Vanguard´s prestigious Top Gun Award is reserved for the instructor that receives the highest rating from students following the conference.

Doug Behrends

Senior Professional Services Consultant

Doug Behrends joined the Vanguard Professional Services team with over 30 years of information systems experience in 2003. Doug is currently focusing on remediation work to assist Fortune 500 companies in improving their security environment. Major activities related to this have included evaluating and implementing role-based security access structures and converting production batch processes from a single user ID to unique user IDs by line-of-business.


Prior to joining Vanguard, he performed multiple IT functions such as Operations Manager, Office Systems, Application and Systems programming, and DB Management. His breadth of knowledge spans across numerous verticals including manufacturing, insurance and financial services where his expertise lent itself to MVS system installation and maintenance, productivity improvement/automation, security assessment and product design.


Since 1997 Doug has focused his career solely on information security for z/OS and RACF. Before joining Vanguard as a full-time member of the Professional Services team, he contributed as a Beta tester for the Vanguard product suite. Today, in addition to his security activities, he continues to provide insight into streamlining and automating processes.