
In an increasingly volatile business environment, companies need to step up their risk management game. Forensic accounting can help spot oncoming problems before it’s too late.
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Christopher Holloway
Expertise
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As Toptal’s Business Strategy and Finance Consulting Practice Lead, Matt focuses on helping clients address critical issues and drive value across their enterprises. He brings 35 years of senior-level consulting experience, having held leadership roles at Cognizant, Accenture, IBM, and Deloitte.As Toptal’s Business Strategy and Finance Consulting Practice Lead, Matt focuses on helping clients address critical issues and drive value across their enterprises. He brings 35 years of senior-level consulting experience, having held leadership roles at Cognizant, Accenture, IBM, and Deloitte.
Previously At









Business Strategy and Finance Consulting Practice Lead
As Toptal’s Business Strategy and Finance Consulting Practice Lead, Matt focuses on helping clients address critical issues and drive value across their enterprises. He brings 35 years of senior-level consulting experience, having held leadership roles at Cognizant, Accenture, IBM, and Deloitte.
Previously at
Experience
35+

Delivery Manager
Rachael serves as a Delivery Manager at Toptal with a focus on leading diverse global teams in developing innovative solutions for our clients. She works across multiple disciplines, including technology, marketing, and management consulting. Rachael specializes in managing people and client relationships, process optimization, and driving teams toward optimal business outcomes.
Previously Managed Client
Experience
9+ Years

15+ Years
of Experience
Mark is a risk assessor, program manager, security operations engineer, and architect with over 15 years of experience implementing risk reduction initiatives. He has a deep understanding of various security frameworks and tools. Mark has successfully developed budgets, risk-informed roadmaps, and project plans and has led multidisciplinary teams to effectively reduce risks and demonstrate compliance with standards, as confirmed by third-party auditors.
Previously at

31+ Years
of Experience
Joe is a seasoned security and infrastructure engineering professional with experience performing application and network assessments, writing and enforcing policies, providing defense for an enterprise environment, and administrating infrastructures. He has in-depth knowledge of information security, information technology, and information warfare. Joe is a competent Python programmer, adding automation and integration that reduces workloads.
Previously at


35+ Years
of Experience
Greg is a seasoned and highly qualified cybersecurity and compliance executive. He has built and led cybersecurity and compliance teams in different healthcare, financial services, and pharmaceutical organizations throughout his career. Greg's proven expertise in technical, administrative, and procedural controls for information protection allows him to help businesses keep their critical information secure, confidential, and intact.
Previously at

14+ Years
of Experience
Tarun is a software architect who has worked with Fortune 500 clients and enterprise-level companies like Nestlé and Deloitte. He is also a result-oriented Citect SCADA Certified Engineer experienced in leading industrial control systems, SCADA, energy management systems (EMS), and critical infrastructure solution strategy development. As an IRCA Certified ISO 27001 Lead Auditor, Tarun has expertly consulted and audited based on the said ISO framework.
Previously at

28+ Years
of Experience
Mladen is a senior project manager and GRC consultant with extensive experience leading multi-country project teams in the banking and insurance sectors. He has worked with major corporations and startups on core technologies and mobile apps, overseeing IT projects' transformations and rollouts. Mladen led international teams and delivered multimillion-value projects at a fast pace, showcasing his role as an agile servant leader, especially during his tenure at Societe Generale and HVB group.
Previously at

10+ Years
of Experience
Vanessa is an energetic and highly competent Certified Information Systems Security and Project Management Professional (CISSP, PMP). She has spent 10+ years successfully directing complex technical programs for companies like Salesforce, Microsoft, and Boeing. Vanessa also has an excellent track record demonstrating leadership abilities, executive decision-making, complex problem-solving, detailed project planning, and effective communication.
Previously at










20+ Years
of Experience
Christopher is an experienced principal consultant with a demonstrated history of working in the private and public industries. He is skilled in security, software development, enterprise architecture, operations management, IT strategy, cloud computing, and training. As a consulting professional with a doctorate in business administration, Christopher is focused on information systems and enterprise resource management.
Previously at

10+ Years
of Experience
Gökay is a senior manager and principal advisor specializing in cybersecurity, information security, auditing, and regulatory standards. He is highly skilled in enterprise security architecture and is an expert at delivering sustainable protection, strengthening reputation, and enhancing digital presence while enabling effective risk mitigation to prevent financial loss.
Previously at

7+ Years
of Experience
Nicaury is a security engineer with 7+ years of experience in information security, cybersecurity, and systems administration. She has worked in fast-paced, remote environments for years, developing excellent communication and leadership skills. Nicaury is a certified professional with proven problem-solving and analytical skills, a fast learning curve, and the ability to adapt to any team.
Previously at

10+ Years
of Experience
Anurag is an experienced security professional with a strong background in incident handling and threat hunting based on different attack frameworks. He has expertise in Active Directory and cloud security (Azure), utilizing offensive security tools such as Bloodhound to identify and mitigate threats. He's played a key role in the development and deployment of SOC infrastructure. He's delivered training to different tiers of the SOC team on security best practices, compliance, and the cyber threat landscape.
Previously at

22+ Years
of Experience
Subbu is a subject matter expert in information security and has more than 22 years of information technology experience. He has assisted large enterprise customers in the banking, telecommunication, and e-commerce sectors with security transformation, DevSecOps, security architecture, and implementations. Subbu’s security expertise includes AWS, GCP, IAM, enterprise security, data protection, and application security and compliance.
Previously at

20+ Years
of Experience
Fattis is one of the most talented and seasoned information security executives in the market today. Having worked as a vCISO and a BISO director of business enablement and resilience for a Fortune 500, he brings together solid project management, communication, and documentation skills, specifically leveraging cybersecurity in business settings. Fattis is CAP, CDPSE, CISSP, and CRISC certified and is highly effective in communicating cybersecurity to both technical and nontechnical staff.
Previously at

13+ Years
of Experience
Mohammad is a seasoned cybersecurity professional who excels in translating cybersecurity into practical business language. He is well-versed in cybersecurity risk management and compliance and experienced with standards such as ISO 27001 and ISO 22301, GDPR, and NIST Cybersecurity Framework.
Previously at

23+ Years
of Experience
Lucas is a seasoned professional with more than 23+ years of experience leading and scaling high-growth tech companies. He's passionate about digital transformation and cybersecurity, having implemented complex security programs, led successful acquisitions, and developed audit and compliance programs to safeguard against cyber threats while promoting business growth. Lucas brings a forward-thinking approach and a deep understanding of emerging threats to every role.
Previously at

20+ Years
of Experience
Mahesh is an IT service professional with more than 20 years of end-to-end presales and delivery experience on large complex assignments involving the integration of multiple platform technologies. He has worked in various industries, including government and finance. Mahesh holds a bachelor’s degree in electronics and communication and is a Google Cloud Certified Professional in cloud architecture, data engineering, network engineering, and security engineering.
Previously at
Looking for guidance about the perfect risk management service for your needs?
Looking for guidance about the perfect risk management service for your needs?
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Having previously worked with these leading global companies, our talent brings valuable insights and expertise to deliver world-class outcomes.
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Challenge: The client faced delays in vendor risk management, which slowed access to critical services, impacting business operations.
Solution: Toptal’s security architect optimized the intake process, conducting thorough SaaS vendor reviews to ensure compliance with the client’s security standards. Toptal worked with cross-functional teams and vendors to resolve security issues, ensuring alignment with the client’s security posture.
Outcome: Fifty vendors were onboarded in just three months, halving the initial six-month timeline and significantly reducing the backlog. Toptal strengthened the client’s third-party risk management, ensuring vendors met security standards without compromising operational security and upholding its reputation for stringent security measures.
Newsweek and Statista’s rankings were based on an independent survey of more than 2,400 decision-makers at Fortune 500s.
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Highest ranked across all industries
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Methodology for the Rankings
How likely the respondent is to recommend the selected company to others.
Measures the convenience of interaction with the company and efficiency of processes.
Measures the company’s cost-effectiveness and quality relative to price.
Measures whether the company consistently meets or exceeds expectations in quality and timeliness of deliverables.
Measures the company’s ability to consistently fulfill commitments and maintain customer trust.
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In an increasingly volatile business environment, companies need to step up their risk management game. Forensic accounting can help spot oncoming problems before it’s too late.
Read More
Christopher Holloway
Expertise
Michael is a seasoned information security leader with experience at the Advanced Cyber Security Center and Toptal. He holds a bachelor’s degree from the Massachusetts Institute of Technology and a master’s degree in high-tech crime investigations from George Washington University.

Michael J. McDonald
Michael is an award-winning journalist who has worked at Bloomberg News and Thomson Financial. He is a Senior Writer for Toptal’s Management Consulting Blog.
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