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Expert-Led Certification Training

Certified instructor expertise aligned to high-demand credentials.

Accumentum® connects learners to certification-focused training pathways supported by recognized instructors, structured exam preparation, practical application, and career-relevant learning across IT, cybersecurity, cloud, AI, networking, Microsoft, and project management.

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The professionals featured below represent several of our top instructors, each bringing deep expertise and a proven track record of helping learners achieve certifications in high-demand areas such as CompTIA, AWS, Cisco, cybersecurity, project management (PMP), and more. In addition to these standout instructors, we work with many additional contract instructors who cover an even broader variety of subject matter.

Instructor Profiles

Certification experts by training category.

Browse instructors by certification area and use the course links to connect each instructor’s subject-matter expertise to related Accumentum training pathways.

PMP / Security

Project Management & Security

Andrew Ramdayal

PMP, PgMP, PMI-ACP, CISSP-ISSMP | Project Management and Security Trainer

Andrew Ramdayal has more than 20 years of project management experience in IT and holds a broad portfolio of professional certifications across IT, accounting, Microsoft, Cisco, CompTIA, and PMI. His training emphasizes PMP exam success, practical project management application, IT security, networking, ERP projects, and real-world use of certification concepts.

PMPPrimary focus

SecuritySecondary track

PMP Training → CAPM Training → PMI-ACP Training → CISSP Training → Security+ Training →

Microsoft / Azure

Microsoft Security

Christopher Nett

Microsoft Security | Azure | AI | Security Architect

Christopher Nett is a Microsoft Security Architect and Udemy Instructor Partner who creates courses on Microsoft Security, Azure, and AI. His experience includes more than a decade in IT with roles at Microsoft, IBM, and Bayer, with a strong focus on hands-on security architecture, Azure security, Microsoft Defender, Sentinel, Zero Trust, and cloud security topics.

AzurePrimary focus

Security & AICertification track

Azure Fundamentals → Azure Security Engineer → Azure AI Engineer → AI Practitioner →

Cisco / Networking

Networking

David Bombal

Cisco Certified Systems Instructor | Networking Instructor

David Bombal is a CCIE and Cisco Certified Systems Instructor with more than 20 years of network training experience. His teaching covers Cisco topics from CCNA to CCIE, network fundamentals, infrastructure, practical labs, network automation, and security-adjacent networking concepts for learners pursuing networking and infrastructure careers.

CCNAPrimary focus

NetworkingCertification track

Cisco CCNA → Cisco CCNP Enterprise → CompTIA Network+ → Security+ Training →

CompTIA / Cyber

IT Certifications

Jason Dion

CompTIA, Cybersecurity, ITIL, CISSP, CySA+, Security+, Network+, A+

Jason Dion is a former college professor and lead instructor at Dion Training Solutions with extensive IT, network operations, cybersecurity, and certification experience. His background includes enterprise networking, network operations and security leadership, information assurance, and certifications across CISSP, CEH, CySA+, Security+, Network+, A+, ITIL, and project-management-related topics.

CompTIAPrimary focus

CybersecurityCertification track

CompTIA A+ → CompTIA Network+ → CompTIA Security+ → CompTIA CySA+ → ISC2 CISSP →

PMP / PMI

Project Management

Joseph Phillips

PMP, PMI-ACP, Project+, ITIL, PSM I, CTT+

Joseph Phillips is a best-selling project management instructor and author with more than 25 years of experience as a project management consultant, educator, technology consultant, business owner, and technical writer. His teaching spans PMP, PMI-ACP, CAPM, project delivery, IT project management, business analysis, program management, and related professional development topics.

PMPPrimary focus

PMICertification track

PMP Training → CAPM Training → PMI-ACP Training →

CompTIA Core

Core IT Certifications

Mike Meyers

CompTIA A+, Network+, Security+ | Total Seminars Co-Founder

Mike Meyers, known as the “Alpha Geek,” is a long-standing authority in CompTIA certification training and the co-founder of Total Seminars. His background includes decades as a technician, instructor, author, consultant, and speaker, with extensive work in PC repair, networking, certification books, classroom training, and video-based instruction.

A+Primary focus

Core ITCertification track

CompTIA A+ → CompTIA Network+ → CompTIA Security+ →

Cybersecurity

Nathan House

Cybersecurity Expert | StationX CEO | Practical Security Training

Nathan House is a cybersecurity expert and CEO of StationX with more than 25 years of experience advising major organizations on security initiatives. His background includes security consulting for large enterprises, banking and payment systems, conference speaking, security tools, vulnerability discovery, and practical cyber defense instruction.

CyberPrimary focus

DefenseCertification track

Security+ Training → CySA+ Training → CISSP Training → CISM Training → CEH Training →

AWS / Architecture

Cloud Architecture

Neal Davis

AWS Solutions Architect | Digital Cloud Training Founder

Neal Davis is the founder of Digital Cloud Training, an AWS Cloud Solutions Architect, and an IT instructor with more than two decades of experience across IT support, systems integration, enterprise architecture, virtualization, hybrid IT, and cloud computing. His instruction is known for detailed, scenario-based AWS certification preparation and real-world architecture context.

AWSPrimary focus

ArchitectureCertification track

AWS Cloud Practitioner → AWS Solutions Architect → AWS Developer Associate → CompTIA Cloud+ →

AWS / Cloud

Cloud Computing

Stephane Maarek

AWS Certified Cloud Practitioner, Solutions Architect, Developer | Cloud & Big Data Instructor

Stephane Maarek is a solutions architect, consultant, software developer, AWS Hero, and widely recognized cloud instructor. His teaching emphasizes AWS certification readiness, real-world cloud skills, and practical learning paths across Cloud Practitioner, Solutions Architect, Developer, DevOps, SysOps, specialty, and AI-focused AWS training.

AWSPrimary focus

Cloud & AICertification track

AWS Cloud Practitioner → AWS Solutions Architect → AWS Developer Associate → AWS AI Practitioner →

CISSP / CISM / PMP

Advanced Security

Thor Pedersen

CISSP, CISM, Certified in Cybersecurity, PMP | IT, Cybersecurity & Project Management Instructor

Thor Pedersen is an IT, cybersecurity, and project management instructor focused on CISSP, CISM, Certified in Cybersecurity, and PMP preparation. His background spans cybersecurity, networking, data centers, and project management, with an emphasis on certification strategy, practical study methods, and helping learners move into higher-value security and project roles.

CISSPPrimary focus

GovernanceCertification track

CISSP Training → CISM Training → SecurityX Training → PMP Training →

Accumentum Training Model

Expert instruction mapped to real certification outcomes.

Accumentum course pathways connect high-demand certifications to structured learning plans, exam preparation, role alignment, and career development support.

Certification-Aligned Content

Training is organized around certification objectives, practical skills, and role-specific outcomes across cloud, cybersecurity, networking, IT, AI, Microsoft, and project management.

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Practical Career Pathways

Accumentum helps learners choose course sequences aligned to career targets such as cybersecurity analyst, cloud architect, help desk specialist, network technician, and project manager.

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Exam Readiness Support

Each learning pathway can support exam preparation through study planning, certification objectives, hands-on practice, and learner guidance before exam attempts.

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Build your certification path with Accumentum.

Explore Accumentum training in AWS, CompTIA, Cisco, Microsoft, cybersecurity, artificial intelligence, and project management, then request guidance on the right pathway for your goals.

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AI Certification & Training Portfolio | Accumentum AI Programs

Accumentum® is the leading training provider for a vast array of technology vendors including AWS, Cisco, CompTIA, EC-Council, Fortinet, HRCI, Linux Foundation, Microsoft, Palo Alto, PMI, Salesforce, Scrum, ServiceNow, SHRM, VMWare, and more.