Meet our Leaders
Chief Executive Officer, Deloitte CIS
Ian Colebourne is the CEO of Deloitte CIS. Prior to this he led the firm's Financial Advisory practice. Ian started his career in Forensic and has over 25 years of experience participating in and leading investigations, corporate intelligence engagements and fraud risk management assignments. Before taking charge of the Financial Advisory department at Deloitte in 2012, he established the Forensic practice at another Big Four firm and led its Risk Consulting business. Ian is a qualified solicitor. Outside work, Ian enjoys spending time with his four children.
Chief Operating Officer, Deloitte CIS | Managing Partner, Deloitte Caspian Region
Mark spent his early career in Scotland before leaving for Almaty to head Deloitte’s regional Financial Services audit group in 2007. Since 2012, Mark has been Managing Partner for the Caspian Region. He works with clients in the banking, insurance and manufacturing sectors and has provided audit services under IFRS, US GAAP and UK GAAP. Mark holds a Degree in Accounting and Marketing and is a Chartered Accountant (Scotland). Mark likes to travel and is a keen snowboarder and tennis player.
Chief Financial Officer, Deloitte CIS
Thomas Dix has spent over 17 years working in Russia and the CIS where he previously built a transaction services practice and held a number of leadership positions at another Big Four firm in Moscow. Thomas has had extensive experience working with clients in various industries on their M&A and capital markets transactions in and outside the CIS region. During the last decade he focused on the Financial Services sector, working with some of the largest Russian, Kazakh and European banks and insurance companies as well as serving as Global Lead Partner for Sberbank. Most recently, Thomas has been working as an independent adviser, mainly on real estate development projects in Russia and Germany.
Thomas graduated from Ruskin University in Cambridge and the Berlin School of Economics and Law, and qualified as a Certified Public Accountant.
Managing Partner Quality & Risk, Deloitte CIS
John is the firm's Risk and Reputation Leader and has nearly 25 years of audit and advisory experience with Deloitte working with a wide variety of public companies in the CIS, the UK and the United States. John has principally worked with our TMT clients during the majority of his career as well as leading our services to many of our clients undertaking international IPOs during his 12 years in the CIS. John graduated with a degree in Chemistry from Oxford University and is a Fellow of the Institute of Chartered Accountants in England & Wales. He enjoys running in his spare time, completing longer distance events such as half and full marathons.
Managing Partner, Audit, CIS
Igor has over 20 years of audit experience in Russia, CIS and abroad. He has extensive experience in auditing of IFRS (including first-time adoption) and Russian statutory financial statements of Russian and international companies across a variety of industries. Igor graduated from Saint Petersburg State University of Economics and Finance with a degree in economics, and is a Certified Russian Auditor and a Member of the Association of Chartered Certified Accountants (ACCA).
Managing Partner, Tax & Legal, CIS
Pavel is the Managing Partner at Deloitte CIS Tax & Legal. After a long career in accounting, taxation and audit services, Pavel joined Deloitte in 2005 and leads the Outsourcing and Tax Compliance group. He has a degree in International Economics and is a Certified Russian Auditor. Pavel has extensive experience providing accounting, tax compliance services and tax advice related to business setup, expansion and restructuring.
Managing Partner, Financial Advisory, CIS
Alexander Joined another big four firm straight out of university, where he gained a BA in Banking and Finance. After 15 years spent in London and later Moscow, he joined the FAS and Forensic team at Deloitte in 2012. Alex is an ACCA member and has 14 years experience in forensic accounting and has led a number of complex fraud, corporate intelligence, money laundering and fraud risk engagements, focused mainly in the consumer and banking sectors.
Managing Partner, CIS Risk Advisory Leader
Natalia has more than 14 years experience working in audit and enterprise risk management. She studied at the Finance Academy and EMLYON Business School, she is a Russian Certified Auditor and holds a CPA (New Hampshire).
Her focus is in Integrated financial statements, internal control audit, implementation, improvement and rationalization of internal controls, IPO and Sarbanes-Oxley Act readiness and internal audit co-sourcing and advisory.
Partner, Audit & Assurance, CIS
Anastasia is an Audit partner at Deloitte CIS and leads TMT audit practice. She has a joint IFRS and US GAAP expertise. Anastasia has more than 17 years of experience in audit and internal control in Russia and CIS in various industries, with a focus on telecommunication and technology. As part of audit transformation initiative, she also leads the internal control transformation project for Deloitte Russia and the CIS, and regularly speaks on industry events for key Deloitte clients. Anastasia has served as Talent Leader within Audit, and is actively involved in the Women in Leadership initiative. Currently she leads Talent agenda in the CIS.
Managing Partner, Consulting, CIS
Prior to new appointment, Christopher led Consulting Practice for the Caspian Region. With more than 15 years in the Consulting Industry, he has undertaken a wide range of engagements covering strategy, target operating model design, and implementation. He advises clients on the executive level on the design and delivery of complex transformation initiatives across industries. Christopher holds a Masters of Arts from the University of Oxford.
Clients & Industries leader, CIS
Oxana has been working in the field of taxation since 2002 and has extensive experience, conducting tax audits, tax due diligence and consulting for large Russian and multinational companies. She holds a degree in economics is a Certified Professional Tax Consultant and is an ACCA member. Oxana works with client from the manufacturing, consumer goods real estate and transport sectors.
She has been included into the International Tax Review’s Women in Tax Leaders rating.
Managing Partner, Deloitte in Ukraine
Sergey has led Deloitte’s Audit & Assurance Department in Kyiv for a number of years and has been Managing Partner of Deloitte’s Ukraine office since November 2019.
Sergey has over 20 years’ experience auditing major international, public and private companies across a variety of industries. He has worked with some of the firm’s largest clients to implement internal control and financial reporting systems. Under his leadership, Deloitte’s audit practice in Ukraine was twice recognized as the best in the country by the Corporate INTL Global Awards (in 2017 and 2018). Having joined Deloitte Ukraine in 2000, Sergey risen up the ranks from Audit Assistant to Managing Partner.
Sergey is a member of the Ukrainian Finance Ministry’s Methodological Accounting Council and a fellow of the Association of Chartered Certified Accountants (FCCA).