Gary  Hayslip
AeroLeads people directory · profile

Gary Hayslip Email & Phone Number

VP, Senior Security Advisor | Field CISO at Halcyon
Location: San Francisco Bay Area, United States 23 work roles 5 schools
1 work email found @msn.com 10 phones found area 619, 757, 804, 843, 901, and 858 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 10 phones

Work email s****@msn.com
Direct phone (619) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
VP, Senior Security Advisor | Field CISO
Location
San Francisco Bay Area, United States
Company size

Who is Gary Hayslip? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Gary Hayslip is listed as VP, Senior Security Advisor | Field CISO at Halcyon, a with 333 employees, based in San Francisco Bay Area, United States. AeroLeads shows a work email signal at msn.com, phone signal with area code 619, 757, 804, 843, 901, 858, and a matched LinkedIn profile for Gary Hayslip.

Gary Hayslip previously worked as Villager and Adviser at Team8 and Global Chief Information Security Officer (CISO) at Softbank Investment Advisers. Gary Hayslip holds Mba, Business, Management from San Diego State University.

Company email context

Email format at Halcyon

This section adds company-level context without repeating Gary Hayslip's masked contact details.

*@msn.com
68% confidence

AeroLeads found 1 current-domain work email signal for Gary Hayslip. Compare company email patterns before reaching out.

Profile bio

About Gary Hayslip

Seasoned Global Chief Information Security Officer with a proven track record of implementing innovative security programs across start-ups and multi-billion-dollar enterprises. Known for strategic planning, risk mitigation, and team building, I excel in delivering security solutions that drive growth and protect assets. At SoftBank Investment Advisors, I developed a security program to protect a zero-trust, cloud-first architecture for 1,400 employees across 15 countries, enabling employees to access data securely anytime, anywhere. At Webroot Software, my role involved integrating security testing into development projects, resulting in an 18% faster code release and an 11% improvement in quality assurance scores. Finally, at the City of San Diego, my Incident Response Program protected data centers and hybrid clouds from 500,000 daily attacks, reducing infected assets and saving $1.6M annually. As an exceptional communicator and thought leader, I excel in translating complex security concepts into actionable insights, enhancing my organization’s security posture to achieve its strategic objectives.I am passionate about protecting the assets, data, and reputation of my organization and its stakeholders and enabling business growth and innovation through secure and scalable solutions, which include using emerging technologies like GenAI. I hold multiple professional certifications, such as CISSP, CISA, CRISC, and NACD.DC. I serve on the board of directors or in advisory roles for several private cybersecurity-related organizations and companies. I also have experience as a board director for non-profits and have served in an advisory role for publicly traded companies as well.

Listed skills include Leadership, It Strategy, Information Technology, Computer Forensics, and 46 others.

Current workplace

Gary Hayslip's current company

Company context helps verify the profile and gives searchers a useful next step.

Halcyon
Halcyon
VP, Senior Security Advisor | Field CISO
San Diego, CA, US
Website
Employees
333
AeroLeads page
23 roles

Gary Hayslip work experience

A career timeline built from the work history available for this profile.

Vp, Senior Security Advisor | Field Ciso

San Diego, Ca, Us

Villager And Adviser

San Diego, Ca, Us

Global Chief Information Security Officer (Ciso)

Current

London, United Kingdom, Gb

Principal architect of cybersecurity initiatives for a $200B+ global investment fund with 560+ portfolio companies. Developed and negotiated long-term strategies to identify threats, mitigate risks, and promote scalable security architectures. Leveraged the NIST CSF framework to conduct comprehensive internal audits and establish a working 24-month strategic roadmap.Key Achievements:- Optimized Risk Management - Partnered with IT, Risk, Compliance, and Legal teams to prioritize NIST CSF findings, establishing a two-year strategic roadmap and budget, reducing risk exposure by 30% and enhancing overall security posture for international business and investment operations.- Transformed Security Architecture - Architected a zero-trust, cloud-first security stack, enhancing data privacy and threat mitigation for 1,400 employees across 15 countries, enabling secure access to corporate data anywhere, anytime allowing remote work for all employees.- Streamlined Data Privacy - Introduced new procedures to expedite third-party data requests, improving efficiency by 40%, ensuring regulatory compliance, and increasing stakeholder trust.- Enhanced Incident Response - Conducted Business Continuity and Incident Response exercises, simulating live incidents and improving readiness by 25%, leading to a more resilient organizational response framework.- Integrated AI Solutions - Provided CISO services to five acquired AI companies, establishing risk baselines, drafting policies, and recruiting security teams, contributing to successful integration into SoftBank Group and ensuring robust security from acquisition to full operation.

Jun 2021 - Present

Director Of Physical Security & Cybersecurity

Current

London, United Kingdom, Gb

Collaborated with Legal, Compliance, and Risk teams to create an enterprise data governance program. Produced due diligence questionnaires to gauge the cyber-maturity of potential investments and current portfolio companies.Key Achievements:- Standardized Policy Framework - Authored 20+ IT, Audit, Compliance, and Cybersecurity policies, meeting regulatory requirements across multiple jurisdictions, enhancing compliance by 35%, and streamlining audit processes.- Led Due Diligence Efforts - Managed cybersecurity and business continuity evaluations for over 300 potential investments worth ~$18B, documenting and mitigating risks, thereby protecting investment value and ensuring informed decision-making.- Consolidated Physical Security - Deployed a global Genetec physical security system across 16 offices, streamlining physical security processes, reducing operational costs by 20%, and enhancing overall security.

Jul 2019 - Present

Member Of The Board Of Advisors

Current

Austin, Tx, Us

Praetorian, a trusted leader in offensive security services, empowers enterprises to thrive in a digital world without compromise. Enterprise security demands the ability to proactively detect vulnerabilities and threats, yet identifying signals from noise in today’s ever-expanding attack surfaces is increasingly difficult. Our cybersecurity experts provide the deep subject matter expertise needed to defend against persistent, sophisticated attacks. Praetorian professional and managed services cover all attack vectors - external, internal, cloud, web app, secrets, phishing, and supply chain and vendor risk. With Praetorian standing guard, CISOs of the world’s largest organizations rest assured that they can accelerate digital growth without compromise.

Nov 2024 - Present

Management Information Systems (Mis), Member Of The Board Of Advisors

Current

San Diego, Ca, Us

The purpose of the MIS Advisory Board (AB) is to serve as a bridge between the business community and the MIS Department of the SDSU Fowler College of Business. Specific objectives of the AB are to:Enrich the education of MIS students through interactions with business professionals, internships, and the facilitation of job-seeking activities;Provide guidance on the curriculum encountered by SDSU students so as to improve the value of graduates for employment in the San Diego economy;Support the solicitation and cultivation of private philanthropic support for the MIS department;Connect faculty with the business community to increase the impact of their research and the relevance of their course content;Guide the department in strategic planning to help ensure that the San Diego region remains viable for economic growth in the technology sector by supporting the development of a business-technology workforce.

Sep 2024 - Present

Member, Board Of Directors

Current

Dallas, Tx, Us

Zimperium, the global leader in mobile device and application security, offers the only real-time, on-device, machine learning-based protection against Android, iOS, and Chromebooks threats.

Jun 2023 - Present

Strategic Advisor - Investment Fund

Current

San Francisco, California, Us

Advise NightDragon portfolio companies and investment team to identify and scale the next generation of leading companies in the cybersecurity, safety, security, and privacy industry.

Apr 2022 - Present

Member Of The Board Of Advisors

Current

Washington, Dc, Us

Mar 2023 - Present

Investor, Limited Partner

Current

San Mateo, Ca, Us

Limited Partner in ForgePoint Capital Cyber Affiliates LLC.

Apr 2020 - Present

Co-Founder & Member, Board Of Directors

Current

San Diego, Ca, Us

Publisher of practical guides for information security professionals and executives.

Apr 2015 - Present

Villager

Current

Tel Aviv, Il

The Team8 CISO Village is a global community of cyber security senior executives, CISOs and thought leaders from leading enterprises. The Village is an avenue for exchanging ideas, collaborating as an industry, and promoting innovation in cyber security.

Jun 2024 - Present

Guest Lecturer, Adjunct Professor, Cybersecurity Program

Current

Manhattan, Ny, Us

As a founding faculty in YU's graduate Cybersecurity program, I teach courses ranging from foundational topics to advanced threats and operations. Subjects include Cybersecurity Foundations, Cyber Operations, Emerging Threats, and Risk Management.

Nov 2023 - Present

Member, Board Of Directors

Denver, Colorado, Us

Mar 2022 - Sep 2024

Strategic Advisor, Board Committee (Security/Audit)

Jakarta Selatan, Dki Jakarta, Id

Advisor to CISO/CTO and members of the Security Committee. Providing strategic insight into board presentations, strategic plans for security programs, and review of assessments and mitigation initiatives.

Sep 2020 - Mar 2023

Member Board Of Directors

San Diego, California, Us

The San Diego CISO Round Table was founded in 2007. The organization started with 8 members and has grown now to 100+ members and meets quarterly. The Round Table consists of many different industry verticals to include Energy, Critical Infrastructure, Medical/Hospitals, Defense, Manufacturing, Banking/Financial, E-commerce, and others. The focus of this group is to share current threats, Intel, and concerns as well as mentor the younger/newer CISO’s with in the group. This promotes an atmosphere of learning and engagement for all members. The motto for the group is – Lead, Learn, Teach.The Round Table does not typically allow outside attendees/vendors to attend so that everyone can speak candidly and adhere to the strict rule of confidentiality within this group.

Sep 2015 - Aug 2019

Vice President Of Cyber, Risk, & Compliance - Ciso

Broomfield, Co, Us

(Acquired by Carbonite - April 2019) Led design and launch of Information Security and DevSecOps initiatives, reporting to the Board and C-Suite on the status of protective measures.Key Achievements:- Developed Comprehensive Risk Portfolio - Spearheaded a corporate risk portfolio based on NIST CSF and ISO 27001 standards, achieving ISO, GDPR, and NIST certifications, improving overall compliance by 40%, and reducing risk exposure.- Integrated Security Testing - Collaborated with engineering teams to embed security testing into development processes, reducing new code release time by 18% and enhancing QA scores by 11%, thereby accelerating product delivery and improving quality.- Optimized Security Infrastructure - Implemented a 100-day operations plan to upgrade security infrastructure post-acquisition, ensuring a seamless transition, maintaining operational integrity, and supporting continued business growth.

Mar 2017 - Jul 2019

Member, Board Of Directors, It Sector Co-Chief

San Diego, Us

InfraGard San Diego is a non-profit organization serving as a public-private partnership between U.S. critical infrastructure owner/operators, the Federal Bureau of Investigation (FBI), and the San Diego Law Enforcement Coordination Center (SD-LECC).

May 2015 - Jul 2019

Member, California Cyber Security Task Force (Governors Office Of Emergency Management.)

Sacramento, California, Us

I am a Committee Member/Adviser on the California Governor’s Cyber Task Force. Identifying areas where stakeholders can improve statewide collaboration and information sharing to identify potential threats.

Dec 2014 - Dec 2017

Chief Information Security Officer (Ciso), Deputy It Director (Dcio)

San Diego, Ca, Us

Architected and managed the enterprise cybersecurity suite and risk management program supporting San Diego’s World Smart City initiatives.Key Achievements:- Delivered Comprehensive Risk Mitigation - Supervised risk mitigation services to 25 networks, 80K+ endpoints, and 12K employees, enhancing compliance with internal controls and risk assessments, and improving overall security resilience.- Reduced Infected Assets Significantly - Partnered with local startups to integrate cutting-edge technologies into the new SOC, reducing infected assets from 165 to 30 per month, saving $1.6M annually, and enhancing productivity.- Achieved SOC 2 Compliance - Led efforts to meet SOC 2 requirements, reducing governance errors by 30%, ensuring compliance, and securing city bond trading.- Developed Incident Response Program - Created the city’s first enterprise Information Security Incident Response Program, protecting data centers from 500,000+ daily attacks, improving incident response times, and minimizing downtime.

May 2013 - Apr 2017

Command Information Security Officer (Ciso) / Deputy It Director (Dcio)

Washington, Dc, Us

Technical subject matter expert for information security operations, managing teams of up to 130 military, civilian, and contracted staff for an enterprise network of 5K+ users and 25K+ endpoints. Instrumental in recruiting, hiring, and developing an inaugural team accountable for infrastructure administration across three commercial shipyards and four U.S. Navy installations.Key Achievements:- Consolidated Legacy Networks - Directed the consolidation of five legacy networks, reducing capital expenditures by $1.5M, and streamlining network management.- Developed IT Programs - Implemented programs for IT asset use, data privacy, disaster recovery, and business continuity, improving operational efficiency and ensuring data integrity.- Built and Led Cybersecurity Team - Recruited and mentored the first cybersecurity team, earning multiple Department of Defense citations for superior performance, and enhancing the security infrastructure across multiple installations.

Nov 2005 - May 2013

Information Systems Security Manager (Issm), Strike Division Leading Chief Petty Officer

Washington, Dc, Us

Information Systems Security Manager (ISSM), assessed, developed and enforced Information Security policy and ensured accurate completion of network certification and accreditation documentation, Risk Assessments, and Memorandum of Agreement (MOA). As ISSM enforced Department of Defense Common Criteria for Information Technology Security Evaluations and managed the audit and completion of all IA Vulnerability Alert AND Bulletin (IAVA/B) Management program that alleviate possible security incidents resulting from poor security practices for Naval Network Systems.

Sep 2004 - Nov 2005

It Department Head (Cio) And Command Information Security Officer (Ciso)

Washington, Dc, Us

ATGPAC is one of the largest US Navy training facilities that perform live audits certifying that warships crews are ready for combat deployment. In June of 2000, I was hired and accepted the position of IT Department Head and Information Systems Security Manager (ISSM). In this position, as ISSM, I evaluated the risk of my own organization's unclassified and classified networks and managed the decommissioning of its legacy networks. As CIO for ATGPAC, I led the planning, installation, and operation of the Navy’s new Navy-Marine Corps Intranet (NMCI) networks for this training command. * As ISSM, I managed the information security audits of multiple U.S. Navy organizations verifyingtheir personnel were adequately trained and the organization's information security program and allof its policies and procedures met Department of Defense standards. * As ISSM, I established a comprehensive information security program for ATGPAC and oversaw thedesign and implementation of all new security policies and procedures. I was directly responsible fordeveloping and managing all of my organization's information security initiatives including disaster recovery, database protection, website development, and data center deployment. * As I.T. Department Head (CIO), I mentored and led three teams of I.T. Security Analysts, DatabaseAdministrators, and Website Developers. In this position, I was responsible for performingcomprehensive security assessments of all technical and non-technical security networks, andnetwork boundaries and ensuring ATGPAC’s information technology portfolio and security programmet the Department of Defense’s standards.

Jan 2001 - Aug 2004
5 education records

Gary Hayslip education

Mba, Business, Management

San Diego State University

Professional Certificate, Managing Risk In The Information Age

Harvard University

Navy Network/System Certifier Certification, Fully Qualified Network Validator - Advanced

Naval Postgraduate School

Advanced Computer Security Professional Certificate

Stanford University School Of Engineering

Bachelor Of Science, Information Systems Management

University Of Maryland Global Campus
FAQ

Frequently asked questions about Gary Hayslip

Quick answers generated from the profile data available on this page.

What company does Gary Hayslip work for?

Gary Hayslip works for Halcyon.

What is Gary Hayslip's role at Halcyon?

Gary Hayslip is listed as VP, Senior Security Advisor | Field CISO at Halcyon.

What is Gary Hayslip's email address?

AeroLeads has found 1 work email signal at @msn.com for Gary Hayslip at Halcyon.

What is Gary Hayslip's phone number?

AeroLeads has found 10 phone signal(s) with area code 619, 757, 804, 843, 901, 858 for Gary Hayslip at Halcyon.

Where is Gary Hayslip based?

Gary Hayslip is based in San Francisco Bay Area, United States while working with Halcyon.

What companies has Gary Hayslip worked for?

Gary Hayslip has worked for Halcyon, Team8, Softbank Investment Advisers, Praetorian, and San Diego State University.

How can I contact Gary Hayslip?

You can use AeroLeads to view verified contact signals for Gary Hayslip at Halcyon, including work email, phone, and LinkedIn data when available.

What schools did Gary Hayslip attend?

Gary Hayslip holds Mba, Business, Management from San Diego State University.

What skills is Gary Hayslip known for?

Gary Hayslip is listed with skills including Leadership, It Strategy, Information Technology, Computer Forensics, Information Security, Cisco Technologies, Active Directory, and Cybersecurity.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.