Cybersecurity has now become an essential business function amid the growing sophistication of attacks driven by artificial intelligence, cloud transformation, ransomware, and digital transformation. As for the modern chief information security officer, his or her functions have transformed from operating security operations into leading innovation and business development.
The Best CISOs Leading Cybersecurity Innovation will set the tone for the future development of enterprise security solutions, innovative methods of AI-powered cybersecurity, Zero Trust security approach, identity security, cloud security, and cyber threat intelligence. These prominent figures in the field of information security will drive cybersecurity business, innovation, and digital transformation.
Top 10 CISOs and Cybersecurity Leaders to Watch in 2026
Adam Fletcher
Company: Blackstone
Role: SVP & Chief Security Officer
Key Cybersecurity Achievements:
Adam Fletcher leads cybersecurity and physical security programs at Blackstone, focusing on protecting a global investment organization against evolving digital threats.
Leadership Approach:
Fletcher promotes risk-based security leadership where cybersecurity supports business growth and innovation.
Major Initiatives:
- AI-driven threat awareness
- Security automation
- Enterprise resilience
- Security validation
Industry Impact:
He represents the evolution of the CISO role from technology protection toward strategic business enablement.
Recognition:
Recognized among influential security executives shaping enterprise cybersecurity discussions.
Dmitri Alperovitch
Company: CrowdStrike (Co-Founder, Former CTO)
Current Role: Chairman, Silverado Policy Accelerator
Key Cybersecurity Achievements:
Dmitri Alperovitch is a co-founder of CrowdStrike and made significant contributions to cloud-based endpoint security and threat intelligence technology. He is well known for his investigation of cyber warfare operations conducted by nation-states and his advancements in threat intelligence methodologies.
Leadership Approach:
Alperovitch combines cybersecurity expertise with geopolitical analysis, focusing on understanding cyber threats as part of broader national security challenges.
Major Initiatives:
- Threat intelligence
- Cloud-based cybersecurity
- Nation-state threat analysis
- Cyber policy strategy
Industry Impact:
His work helped shape how enterprises and governments understand advanced persistent threats and cyber warfare.
Recognition:
- Recognized as one of the leading cybersecurity experts globally
- Former advisor on cybersecurity issues for government organizations
Carrie Mills
Company: Southwest Airlines
Role: VP & Chief Information Security Officer
Key Cybersecurity Achievements:
Carrie Mills focuses on advancing cybersecurity strategies within a large-scale transportation organization.
Leadership Approach:
She advocates embedding security into innovation processes instead of treating cybersecurity as a final approval stage.
Major Initiatives:
- AI governance
- Security-by-design
- Cyber risk management
- Digital transformation security
Industry Impact:
Mills highlights the changing role of CISOs as strategic advisors who help organizations adopt emerging technologies securely.
Recognition:
Recognized as a cybersecurity leader contributing to discussions around AI adoption and modern security practices.
Rinki Sethi
Company: BILL
Role: Vice President & Chief Information Security Officer
Key Cybersecurity Achievements:
Rinki Sethi has built cybersecurity programs at major technology companies including Twitter, IBM, eBay, Palo Alto Networks, and Rubrik.
Leadership Approach:
She focuses on building scalable security organizations that combine technology, people, and business strategy.
Major Initiatives:
- Cloud security
- Identity protection
- Enterprise security transformation
- Security culture development
Industry Impact:
Sethi has influenced how large enterprises approach cybersecurity maturity and digital transformation.
Recognition:
Recognized as a prominent woman leader in cybersecurity and technology.
David Christensen
Company: OneSpan
Role: Chief Information Security Officer (CISO)
Key Cybersecurity Achievements:
David Christensen leads security initiatives at OneSpan, a company focused on digital identity, authentication, and secure transactions. His work centers on protecting digital interactions and strengthening enterprise security capabilities.
Leadership Approach:
Christensen follows a practical security leadership model that balances technology, processes, and people. He emphasizes that automation should enhance security teams rather than replace human expertise.
Major Initiatives
- Identity security
- Authentication protection
- Security automation
- Digital trust solutions
Industry Impact:
His leadership reflects the growing importance of identity protection as organizations move toward digital-first business models.
Recognition:
Christensen is recognized among security executives contributing to discussions around cybersecurity operations and digital trust.
Elsa Ferreira
Company: Evercore
Role: Chief Information Security Officer
Key Cybersecurity Achievements:
Elsa Ferreira leads cybersecurity strategy at Evercore, focusing on enterprise resilience, information protection, and secure business transformation within the financial services sector.
Leadership Approach:
Ferreira views cybersecurity as a strategic business function that enables organizations to adopt new technologies while managing risk effectively.
Major Initiatives:
- Enterprise security resilience
- Risk management frameworks
- AI-driven security analytics
- Security transformation
Industry Impact:
Her leadership demonstrates how financial organizations can balance innovation, compliance, and cybersecurity protection.
Recognition:
Ferreira is recognized as a cybersecurity executive contributing to modern security practices in financial services.
Eric Baker
Company: Apollo Global Management
Role: Chief Information Security Officer
Key Cybersecurity Achievements:
Eric Baker manages cybersecurity strategy for Apollo Global Management, supporting protection of critical financial systems, sensitive information, and enterprise infrastructure.
Leadership Approach:
Baker follows a business-aligned security model where cybersecurity supports organizational growth, operational maturity, and resilience.
Major Initiatives:
- Enterprise security architecture
- Cyber risk management
- Data protection
- Security governance
Industry Impact:
His leadership highlights how CISOs in financial services must balance innovation with strict security requirements.
Recognition:
Baker is recognized among cybersecurity executives helping financial organizations strengthen cyber resilience.
Greg Allender
Company: TriHealth
Role: Chief Information Security Officer
Key Cybersecurity Achievements:
Greg Allender focuses on cybersecurity within healthcare, where protecting patient information and connected medical technologies is critical.
Leadership Approach:
Allender promotes a security enablement approach that improves visibility, governance, and resilience without disrupting healthcare operations.
Major Initiatives:
- Zero Trust security practices
- Medical device security
- Automation-driven security controls
- Healthcare cybersecurity governance
Industry Impact:
His work demonstrates the importance of cybersecurity innovation in protecting patient safety and healthcare infrastructure.
Recognition:
Recognized for advancing healthcare security strategies through technology modernization.
Barry Kortekaas
Company: Morgan & Morgan
Role: EVP of Information Security & CISO
Key Cybersecurity Achievements:
Barry Kortekaas leads cybersecurity strategy for one of the largest law firms in the United States, focusing on protecting sensitive legal information.
Leadership Approach:
His approach connects cybersecurity risk management with business priorities and operational effectiveness.
Major Initiatives:
- Information security governance
- Data protection
- Technology risk management
- Security modernization
Industry Impact:
Kortekaas demonstrates how cybersecurity leaders can support business growth while protecting highly sensitive information.
Recognition:
Recognized among security leaders focused on strategic cybersecurity transformation.
Carl McDonald
Company: Reyes Holdings
Role: Chief Information Security Officer
Key Cybersecurity Achievements:
Carl McDonald focuses on developing security programs that support operational resilience and business transformation.
Leadership Approach:
McDonald views cybersecurity as a strategic capability that must evolve alongside business needs.
Major Initiatives
- Cyber resilience
- Risk-based security programs
- Security operations improvement
- Enterprise protection
Industry Impact:
His leadership reflects the modern CISO role, where security teams enable organizations to adapt and grow securely.
Recognition:
Recognized for promoting strategic security practices within enterprise environments.
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