Work Preference
Summary
Overview
Work History
Skills
Websites
Clifton Strengths
Selected Consulting Engagements
Timeline
Generic
Mark Rosenthal
Open To Work

Mark Rosenthal

Fractional Cybersecurity & Information Protection Leader
Parker,CO

Work Preference

Job Search Status

Open to work
Desired start date: Immediately

Desired Job Title

Owner, ConsultantSenior Manager, Professional ServicesDirector of Consulting ServicesDirector of Client Strategy

Work Type

Full TimePart TimeContract WorkGig WorkConsulting

Location Preference

HybridRemote
Location: Parker, CO
Open to relocation: No

Salary Range

225000/yr - 310000/yr

Important To Me

Work-life balanceCompany CultureWork from home optionPaid time offPaid sick leave

Summary

Senior advisor and consulting leader with 25+ years of experience building, scaling, and transforming security, risk, and data protection organizations. Proven track record leading consulting teams, integrating acquisitions, and evolving implementation-centric services into maturity-driven, recurring advisory models. Deep expertise across data loss prevention, information protection, SaaS security, and risk governance, grounded in an early foundation in fraud prevention and compliance. Known for creating clarity in complex environments, driving leadership alignment, and delivering measurable improvements in customer outcomes, service consistency, and operational performance and business impact through structured execution and automation. Highly motivated professional with several years of entrepreneurial and management experience. Skillfully creates and maintains professional and loyal relationships with co-workers, staff and clients while managing administrative and sales employees. Comfortable working independently as manager and leader and as collaborative team member. Applies business acumen and experience and exercises decisive judgment to meet and exceed organizational goals.

Overview

25
25
years of professional experience

Work History

Owner, Consultant

Rosenthal Consulting, LLC
Denver
04.2026 - Current
  • Deliver senior-level advisory services focused on program design, service delivery strategy, and operational improvement across SaaS and data security environments.
  • Serve as a trusted advisor to leadership teams, stabilizing complex or at-risk implementations by aligning stakeholders, establishing governance, and driving disciplined execution.
  • Design and implement scalable onboarding frameworks and delivery models that improve consistency, reduce risk, and accelerate time-to-value across enterprise environments.
  • Introduce automation and standardized processes to enhance delivery efficiency, increase predictability, and strengthen service quality and consistency.
  • Partner with Services, Support, and Customer Success leadership teams to improve execution, elevate performance, and deliver measurable improvements in customer outcomes.
  • Advise on delivery transformation, risk mitigation, and continuous improvement strategies that enable long-term scalability, operational maturity, and sustained business impact.
  • Support enterprise and high-growth organizations in navigating complex, multi-stakeholder environments and large-scale delivery initiatives.
  • Enable organizations to reduce operational friction, improve delivery predictability, and increase the return on existing technology investments.

Senior Manager, Professional Services

Proofpoint
Denver
03.2021 - 04.2026
  • Senior leader responsible for the delivery, evolution, and strategic direction of Professional Services within Proofpoint's Information Protection portfolio, while acting as a strategic advisor on program design, delivery strategy, and operational maturity.
  • Led the successful integration of InteliSecure Professional Services into Proofpoint, ensuring continuity of delivery while standardizing processes and service quality.
  • Introduced and operationalized the Information Protection Program Design, shifting engagements from point-in-time implementations to maturity-driven consultative services.
  • Directed a matrix-managed team of 15+ consultants across multiple concurrent enterprise engagements.
  • Improved service consistency and onboarding efficiency through automation and standardized delivery frameworks, accelerating time-to-value.
  • Advised cross-functional leadership across Product, Engineering, Support, and Account teams to align delivery strategy, improve consistency, and strengthen long-term customer relationships.
  • Guided enterprise customers toward maturity-driven delivery models, improving program consistency, reducing risk, and enabling scalable long-term outcomes.
  • Developed senior consultants and emerging leaders through coaching and outcome ownership, strengthening delivery maturity.

Director of Consulting Services

InteliSecure
Denver
10.2018 - 03.2021
  • Led and scaled a multidisciplinary consulting organization, advising enterprise clients on data security strategy, program design, and service delivery improvement.
  • Established delivery standards and accountability models that improved service quality, consistency, and predictability.
  • Built and mentored high-performing consultants and managers, strengthening leadership depth.
  • Drove continuous improvement across tooling and delivery practices, improving service efficiency.

Director of Client Strategy

InteliSecure
Denver
02.2020 - 12.2020
  • Owned executive-level customer relationships focused on security strategy and risk reduction.
  • Guided customers toward structured, programmatic security maturity models.
  • Shaped consultative engagement models and long-term service strategies.
  • Acted as trusted advisor for complex or at-risk engagements.

Skills

  • Cybersecurity and data protection
  • Program design and governance
  • Service delivery strategy
  • Operational improvement
  • Data loss prevention
  • Leadership and stakeholder alignment
  • Cross-functional collaboration
  • Customer onboarding and automation
  • Cloud security and risk mitigation

Clifton Strengths

  • Ideation
  • Relator
  • Futuristic
  • Intellect
  • Strategic

Selected Consulting Engagements

  • Enterprise Data Security Program Stabilization, Stabilized a stalled multi-solution deployment for a large enterprise by establishing governance, aligning stakeholders, and redesigning the delivery approach, restoring execution and accelerating time-to-value.
  • Program Design & Advisory Model Transformation, Helped evolve implementation-centric services into maturity-driven advisory offerings, improving consistency, scalability, and long-term customer outcomes across enterprise engagements.
  • High-Risk Customer Recovery & Stabilization, Led cross-functional recovery efforts for a critical at-risk engagement by aligning internal teams, clarifying priorities, and executing a structured remediation plan that restored confidence and reduced delivery risk.
  • Service Delivery Optimization & Automation, Introduced standardized delivery frameworks and automation practices that improved onboarding consistency, increased predictability, and strengthened service quality across complex, multi-team enterprise environments.

Timeline

Owner, Consultant

Rosenthal Consulting, LLC
04.2026 - Current

Senior Manager, Professional Services

Proofpoint
03.2021 - 04.2026

Director of Client Strategy

InteliSecure
02.2020 - 12.2020

Director of Consulting Services

InteliSecure
10.2018 - 03.2021
Mark RosenthalFractional Cybersecurity & Information Protection Leader