Lewie Dunsworth

Chief Executive Officer

DeepSeas

Mar 2026 - Current (5 months)

Chief Executive Officer (CEO of Nuspire prior to our acquisition by PDI in June, 2024)

PDI Security and Network Solutions

Nov 2019 - Apr 2025 (5 years 6 months)

Nuspire is the Managed Security Services (MSS) provider of choice, delivering the greatest risk reduction per cyber-dollar spent. The company’s 24x7 Security Operations Centers (SOCs) and managed detection and response (MDR) service combines award-winning threat detection and response technology with human intervention and analysis, providing end-to-end protection across the gateway, network and endpoint ecosystem. Nuspire pioneered distributed, managed security services within the enterprise and franchise market and today protects thousands of locations globally.

CISO and EVP, Global Security Services at Herjavec Group

Cyderes

Dec 2018 - Oct 2019 (11 months)

I am part of a global services leadership team at Herjavec Group that aspires to build the premium brand in our industry, ensure our clients are fanatically happy with our services and ultimately provide services to help them be more secure.

Chief Information Security Officer

HR Block

Apr 2017 - Apr 2018 (1 year 1 month)

Responsible for the global security program at H&R Block including the architecture, engineering, compliance, operations and response functions across retail tax, online services, boxed software and revenue products.

CISO and SVP, Professional Services

Herjavec Group

Apr 2018 - Jan 2019 (10 months)

SVP, Advisory Services

Optiv Inc

Feb 2015 - Dec 2016 (1 year 11 months)

Led a global advisory services organization across enterprise risk & compliance, PCI compliance, identity & access management, application security, attack & penetration, incident response & advanced research.

SVP, Managed Security Services

Optiv

Dec 2016 - May 2017 (6 months)

Led a global managed security services organization that provides authorized support, platform management, threat intelligence/analysis, incident response & eLearning across a large portfolio of security technologies and partnerships.

Director & ISO, Security Risk Management

CERNER CORPORATION

Nov 2011 - Jan 2014 (2 years 3 months)

Responsible for Information Security Strategy, Risk Management, and Security Architecture. Oversee implementation of Governance, Risk, and Compliance (GRC), Managed Security Services and creation of a Critical Incident Response Team.

Vice President, Professional Services

FishNet Security

Jan 2014 - Feb 2015 (1 year 2 months)

Led the professional services organization responsible for providing offerings and capabilities across all of the information security domains.

Director (CISO), Information Security

HR Block

Sep 2006 - Nov 2011 (5 years 3 months)

Led strategy and creation of “Block Secure Program” that supported verticals across Security Engineering, Security Operations, Incident & Fraud Management, Policy & Compliance Governance and Identity and Access Management

L

Manager, Technical Operations

LabOne Quest Diagnostics

Jan 2005 - Dec 2006 (2 years)

Managed consolidation of Tier 1, 2 and 3 support teams, including internal technical support along with external healthcare organizations using LabOne’s internally developed software.

B

Manager, Technical Operations

Birch Telecom

Jan 2000 - Dec 2005 (6 years)

Led a team of supervisors across four company functions in a 24 X 7, 365 days a year operation. Managed Tier 2 Repair organization that provided technical / customer support for external DSL, T1, VPN, and web-based clients. Managed Internal Communications network.

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