The Zentek leadership team is dedicated to delivering both results and value. They are committed to the fundamental tenets that have made their 17-years in business a success — superb customer service, employees having a real stake in their company, high ethics, innovation, and technical competence.

The team has established a culture built to attract, recognize, and retain the very best professionals for our projects. They partner with staff and customers to make sure each mission is met and expectations are exceeded.

BillBill Calvo
Chief Executive Officer

Bill Calvo is an expert with years of practical experience and an in-depth understanding of organizational structure in the Federal space. In his prior roles, Bill has helped define the framework around which major acquisition programs operate, and has played a key role in defining how an organization works towards achieving their strategic goals.

Additionally, he has served as a subject-matter expert in budget policy and formulation, legislative affairs, personnel, budget execution, and financial reporting. He has assisted with coordinating resource matters in the integration of the broader Ballistic Missile Defense System with United States Department of Defense organizations.

Bill’s personal accomplishments on defense contracts include subject-matter expertise support in the areas of Financial Management, Acquisition Management, and Business Operations for the Missile Defense Agency for which he was personally recognized. Programs included BMDS Precision Tracking Space System, BMDS Advance Technology Directorate, BMDS Multiple Kill Vehicles Directorate, BMDS Modeling and Simulation Directorate, and Kinetic Energy Interceptors Directorate. His personal recognition included nominations for MDA Individual Award for 2007 and a nomination for an MDA Team Award for 2011 recognizing his personal efforts in advancing the goals and mission of the Agency.

As President of Zentek (formerly Provideo Management, Inc.) he has had the opportunity to support the Defense industry on the front lines of overcoming and ultimately solving problems. As the leader of a small business that supports and depends upon the achievement of his customer’s mission objectives, his success hinges on the ability to plan properly, and execute efficiently. Zentek has developed a successful business formula that is supported by talented people, and a culture that values problem solving, program management, and the cultivating partnerships. Zentek understands the importance of, and we work daily to demonstrate our worth as partners with clients and team members. During his time as CEO, Zentek has been recognition by Inc. Magazine as one of the fastest growing companies in 2010, 2011, and 2014.

Zentek’s mission includes helping its clients achieve peace of mind by delivering best-in-class cybersecurity and IT solutions using an open and flexible team-oriented approach to solve problems. Our approach to program management minimizes risk, aligns with Federal regulations, and achieves high quality standards. Close collaboration with clients, vendors, colleagues, and industry partners strengthens our value proposition, and affords us insight into evolving requirements and newly developed technologies. We also have extensive experience providing business financial management and program management.

BobBob Haas

Bob Haas has held key technology and management positions with several leading IT companies over the past 25 years, starting as an application developer, and working his way up through network and systems administration, security engineering, holistic data center systems engineering, project management, and most recently business & IT strategy development. As a result of this experience, he brings a proven application perspective to both the information assurance and cloud engineering disciplines.

Bob’s focus is on providing Cybersecurity and cloud strategy services to mission critical enterprises across both the Government (federal and state) and commercial markets. He has responsibility for multi-disciplinary teams focusing on Risk Management, Cloud Strategy and Assessment Services, Cloud Solution & Network Security Design and Build, Secure Operations, and Secure Compliance. Bob’s cloud and information security ‘hands-on’ expertise includes serving as a senior solution architect for key accounts responsible for successful project fulfillment, providing strategic planning, engineering and program management support, and being accountable for the day-to-day operations and management to include utilization, staffing, and technical training. He has served on a number of global protocol development working groups providing technical analysis and support concerning various copyright management and protection concepts.

Bob previously worked at SAIC focusing on cloud computing strategy, solution design & build, and internal R&D. His focus was on facilitating an organizations evolution to a shared services and utility computing model by aggressively adopting cloud computing. Bob was responsible for the design, implementation, operation and management of SAIC’s Enterprise Solution Lab, a multi-tenant environment used to develop, integrate, test, verify and validate components (individual projects) and/or integrated solutions. This functioning integration platform is based on a private cloud model utilizing converged infrastructure and VMware’s software stack for infrastructure, platform, and software service delivery to tenants. This serves as an Operable Reference Implementation (functioning “Gold Disk”) of the unified solution set of cloud infrastructure efforts around ‘X-as-a-Service’ capabilities and R&D work at SAIC. Bob also served as the PM for a large ($30M/year) DHS engineering services task and was responsible for directing large Network, Systems, Security, and Implementation Engineering Teams to ensure the attainment of profit and operational goals.

As the VP of the Enterprise Security Solutions (ESS) Division at Sentrillion, Bob supported DHS Border Security projects, DoJ DEA Validation, Integrity and Penetration Response Unit (ISIV) operations, and the relocation of two Associated Press broadcasting facilities. He led the design/build of a state of the art, fully redundant, secure IT infrastructure that supported all Television, Radio, Video, and Audio requirements of the world’s largest newsgathering organization.

While at Data Systems Analysts, Inc. Bob supported the design, integration, and deployment of global architectures for various government, financial, and commercial entities, managed federal government agency-wide security compliance initiatives, and actively participated in Department of Defense and Industry working groups, standards bodies, and pilot projects associated with networking and information assurance. On behalf of the RIAA, Bob spent a number of years supporting multiple international engineering protocol development working groups (USB, IEEE-1394TA, MPEG-4/7, CPTWG, DVD-ISC, SDMI, etc) developing protocol independent, copyright management and protection concepts for music content providers (Sony, BMG, Warner, UMG, Capitol/EMI, etc).

Bob has an active DoD Top Secret Clearance and maintains multiple professional certifications including (ISC)2 CISSP, NSA IAM and ITIL v3 Foundation.

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