Arjan Man is currently the CAE of Haier Europe. Previously, he was head of Global Internal Audit at MKS Atotech, a NASDAQ-listed, globally operating company delivering chemistry, equipment, software and services for innovative and high-technology applications, headquartered in Berlin, Germany. Before that, he was head of Internal Audit & Risk at Exact Software, was an internal auditor at NYSE Euronext, and worked as a consultant in the Internal Audit and Risk practices of PwC and KPMG. He served on the board of IIA The Netherlands for 6 years and several other IIA committees. He lives in The Netherlands, but mostly worked in a very international environment.

Makis Solomon has graduated from the Athens University of Economics and Business and is a Certified Internal Auditor (CIA, CRMA). For 11 years worked at PWC & Deloitte as Senior Manager of Risk Management and Internal Audit Services. During this time he provided consulting services to several companies in Greece and abroad in areas such as internal audit, risk management etc, as well as technical assistance in the establishment of Internal Audit Departments, providing expertise and training to internal auditors. For 5 years he worked in an Investment Advisors company as a Senior Officer of Financial Services, Compliance and Risk Management. He has worked as Head of Internal Audit at HRAF (TAIPED) and AVIS Greece. Today he is the Head of Internal Audit of Elpedison. He also provides project evaluation services for the European Innovation Council. Since 2019, he is a board member of IIA Greece (currently Vice President) and responsible of the Education Committee, as well as the Industrial & Commercial Committee of IIA Greece.

• Certified IT Auditor
• Worked for PwC for 10 years in a combination of consulting and auditing roles
• Worked for Heineken International for 9 years responsible of IT audit globally and audits on large IT & change programs. In the last 3 years, also responsible for the Europe regional audit team.
• Worked for Booking Holdings (NASDAQ: BKNG) since October 2016 as Chief Audit Executive, with a strong focus on Booking.com.
• Member of the IIA NL Board since January 2021.

Isabel Derison is the president of IIA Belgium. She is also a partner at Grant Thornton Belgium, leading and developing the Advisory – Business Risk Services practice. In the past, Isabel worked in external audit at a Big 4 company and was Chief Audit Executive at ZNA, the largest hospital network in Belgium. Isabel’s domains of expertise are Internal Audit, Governance, Risk & Compliance Management, Fraud, and ESG

Johanna (CIA, MBA, HHJ / Certified Board Member) works as the Internal Audit Director at UPM Corporation, based in Finland.  Prior career Auditor path, she worked in 2^nd line assurance roles like Corporate IT Quality, Governance, Internal Control, and Business-IT Project and Portfolio Management, as well as in Corporate development roles. She has contributed in the past as a member of the IIA Finland Training Committee and acted as a presenter at different IIA and other events. Her key areas of expertise are governance, risk, control, ESG, and commercial excellence