Audit, Cybersecurity, & IT | ACI Learning | Instructors

Peter Higgins teaches internal audit and risk management courses. He has extensive experience in financial services handling research, design, implementation, and continuous improvement of audit methodologies. He is CRMA and CIA certified.

Martin Green teaches networking, IT and data security courses. As a lawyer and instructor his expertise is in computer technology, data and trade secrets protection, intellectual property, and copyright law.

Kathleen Crawford has more than 25 years in financial services, internal audit, and fraud investigations. She has an MBA, is a member of several professional organizations and is active in non-profit organizations holding board-level positions.

Dr. Hernan Murdock, CIA, CRMA, is VP Content and Programming at ACI Learning. He supports the implementation of strategic initiatives, facilitates updates to the curricula, and oversees course delivery. He is also the author of four books on internal auditing and team productivity.

Thomas Salzman, CISA, has extensive IT audit experience in higher ed. His expertise includes streamlining policies and procedures, improving processes and controls, and the risk impacting telecommunications, applications management, computer intrusion, security management and DevOps. He is ITIL and Certified Information Systems Auditor (CISA).

Jason Claycomb, CISA, CISSP, has more than 30 years in cybersecurity, IT governance, audit, risk, and compliance. A former Big 4 employee, he has extensive experience in financial services.

Fred Roth, CISA, delivers IT control and security training worldwide. He has experience with SAP project design and implementation, and the development and facilitation of training and executive development programs.

Linh Truong, CPA, CIA, CISA, is a professional speaker and executive advisor focusing on agile auditing, corporate governance, ERM, corporate culture, and fraud/anti-corruption. She has 25+ years of audit experience including CAE at three companies where she launched the internal audit functions

Robert Berry, CPA, CIA, CISA is the CEO of That Audit Guy®. He strives to improve people, who in turn improve processes that improve company profits. He provides training and consulting services in line with these principles. He is the author of three books and 100+ articles on audit and life.

Nigel Iyer, CA, has over 20 years' experience investigating and detecting fraud and corruption. He is a computer scientist, author and teaches how to defend organizations against "commercial dark arts".

Mario Fazekas, CFE, is a director of Exactech Forensics. He has over 20 year’s fraud risk management experience, during which time he has provided anti-fraud and ethics solutions for organisations in the USA, Canada, France and throughout most of Southern and East Africa.

James Conroy has more than 20 years of law enforcement experience conducting complex criminal investigations, specifically white collar fraud, internal affairs and insurance investigations. He also has extensive experience on money laundering, waste and abuse, and is the author of a book on fraud.

Domenick Claudio is an experienced Financial Compliance Director with a history of working in the consumer products, financial services and insurance industries implementing ethics and compliance programs, SOX compliance, global corporate policy, and fraud awareness training programs.

Anthony Bellezza, CPA, CGMA, was a partner at a Big 4 accounting firm, a Chief Audit Executive (CAE), Chief Compliance Officer (CCO) and Chief Risk Officer (CRO). He has experience in retail, pharmacy and industrial sectors and teaches about governance, risk management, compliance (GRC), corporate culture and ethics.

Liz Sandwith has over 25 years' experience in social care, central and local government, housing associations, regional development agencies and a UK broadcaster. She is a CAE and teaches internal audit, risk management and compliance courses.

Charles Pask, CISSP, MCIIS, has over 35 years of experience in IT, IT audit and IT security. He has held prominent positions in industry associations, is a recognized expert on a variety of information security standards, and has spoken at industry events around the world.

Amanda Jo Erven, CPA, CIA, CFE, is a former Big 4 auditor with experience in the oil and gas, and financial services sectors. She has designed SOX and other compliance programs, implemented audit management software suites and performed financial, operational and compliance reviews.

Mary Siero, CISSP, CISM, CRISC, is an expert in IT operational, compliance and security risks and controls. A former CIO, she has over 40 years of experience in the healthcare, government, education, gaming, hospitality, consumer products and manufacturing industries.

Richard Tarr, CIA, CISA, is an audit and IT veteran specializing in the development of integrated internal audit functions and IT control reviews. He conducts internal audit quality assurance reviews.

Joshua Marpet is a digital forensics expert, advisory board member, and educator raising awareness about cybersecurity at industry conferences across the country.

Alan Sugano is a former Big 4 consultant specializing in security, networking, server and workstation virtualization, custom programming, PCI compliance, web development, cloud migration, disaster recovery, and SQL server development. He is an author and frequent contributor to IT publications.

John Ghostley was a software developer and manager for 20+ years, then an IT director for 12 years. He is certified, teaches and consults in COBIT 5, TOGAF 9.2, CISSP, CISM, ITIL and Value Stream Mapping. He also has extensive experience with Lean, Kanban and Agile

John Guise is a retired Navy Chief and has spent over 25 years in education specializing in networks and security. He teaches CompTIA Network+, Security+, CND, CEHv10, CHFIv9, and CISSP courses.

Larry Coldiron is an instructor holding multiple professional certifications in security, network, and hardware management. After retiring from the Navy, he transitioned to IT where his EE degree fit nicely. After the transition, Larry was an IT instructor and Network administrator for over 19 years

Lee Hughes is a professional technical instructor, developer, network support and security consultant. He is certified in ITIL, and CompTIA A+, Network+ and Security Practitioner.

Greg Gardner is the Cybersecurity Instructor for ACI Learning. He is located near our Colorado Springs Learning Hub. An author and retired Naval officer with more than 30 years’ experience in the IT and training industry, he is CompTIA A+, Network+, Security+, Certified Ethical Hacker (CEH), Certified Network Defender (CND), Certified Scrum Master, Mobile Learning Developer, and Instructional Designer.

Rodderick Fedd Sr, is Sr. Technical Instructor at ACI Learning. He delivers content on CompTia  A+, Network +, and Security + classes. He is the owner of an IT Support/Consulting firm

Joshua Kehm is an Air Force veteran who has held positions as a technician and system administrator. He is currently working towards his B.S. in Cybersecurity and Information Assurance and has certifications in CompTIA A+, Network+, Security +, ITIL4 Foundation, and ITIL4 Intermediate CDS

Ernest Calloway teaches CompTIA A+, Network+, Security+, and is a Secure Infrastructure Specialist – CSIS, and IT Operations Specialist – CIOS. He focuses on helping students successful become certified. He adds a strong dose of memory management and memory tricks for core subject knowledge recall.

Ronald Clanton is a US Army veteran and an Instructor Mentor in our Colorado Springs campus. His specialty is Business IT Support for many companies in the Rocky Mountain region. He is a Board of Directors member and the creator of several patents. He is CompTIA, CIW, Google, CEE and ConnectWise certified.

James Wofford is an Instructor Mentor in our San Antonio campus. He supports students after completion of class through completion of exams by providing individual help and setting up study groups. He was a systems analyst and is CompTIA A+ CE, CompTIA Security+ CE.

Khozema (KJ) Raja is an Instructor Mentor in our Dallas campus. He supports students after completion of class through completion of exams by providing individual help and setting up study groups. His specialty is network administration and security and is CompTIA A+, CompTIA Network+, CompTIA Security+, ITIL Foundation certified.

Jay Walker is an Instructor Mentor in our Jacksonville Campus. He supports students after completion of class through completion of exams by providing individual help and setting up study groups. He is CompTIA A+, CompTIA Network+, CompTIA Security+, CompTIA Project+, CompTIA Linux+, Powered by LPI, Lean Six Sigma Green Belt, ITIL Foundation certified.

Troy Athmann has experience in networking, systems administration, and SharePoint admin development and deployment. He is certified in CompTIA A+, Network+, Security+, ITIL, and SAIR Linux administration. A novelist, his career focus is IT consulting and teaching.

Sean Callinan has taught various CompTIA, Microsoft and LPI courses over the past ten years. He began his IT career after retiring from The Marine Corps, quickly learning the importance of industry certifications. Born in Cincinnati, he now lives in Fort Worth, TX

Ryan Swick is a growth focused individual who enjoys learning new technologies and implementing them. He is CompTIA A+ certified.

Ed Spencer is an Information Security Analyst and has held roles in desktop support, systems administration, network administration, and other IT roles. He brings a unique perspective to his work in incident response, process/procedure development, business enablement, and problem solving

Logan Montgomery has experience as network technician and manager. He is a CISSP, CCDP, PMP and an Advanced Cloud Security Practitioner.