About us

CIS Executive

Meet our Leaders

Ian Colebourne

Managing Partner

Ian Colebourne is the Managing Partner of Deloitte CIS. Prior to this he led the firm's Financial Advisory practice. Ian started his career in Forensic and has over 18 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.

Quentin O'Toole

Deputy CEO

Quentin is Deputy CEO at Deloitte CIS. Before joining the CIS Practice in 2005, Quentin spent his career in New Zealand, Papua New Guinea and Australia, initially in the banking and hospitality industries and later with Deloitte, where he established a middle market audit practice. He has 25 years experience in many sectors, including food and beverage, hospitality and agriculture. Married with twin girls, Quentin is an avid sports fan.

Jacques Strydom

Managing Partner, Audit, CIS

Having spent six years in Moscow earlier in his Deloitte career, Jacques returned to Russia in 2013 to head up the Audit practice in Russia, Armenia, Azerbaijan and Georgia. Jacques has worked with clients across all business sectors and before his return to Russia, worked with audit and IPO clients in London, cementing his international networks. Jacques spent his early career in South Africa and this has led to his passion for rugby, and in particular his national team, the Springboks.

Paul Ogden

Partner, Enterprise Risk Services

Paul began his accounting career in the USA before moving to the Netherlands, where he spent nine years. He holds a BBA, is a US CPA and has more than 25 years' experience serving large multinational companies. Paul joined Deloitte CIS in 2010, working in Enterprise Risk Services, where he focuses on listed companies and internal controls. Paul is the Deloitte CIS, Risk and Reputation Leader and sits on the Executive Committee of Deloitte CIS. In his spare time, he enjoys reading and travel.

Anastasia Osipova

Managing Partner, Consulting

Anastasia has 20 years of consulting experience, specialising in business management effectiveness, and designing and re-engineering financial and accountancy business processes focusing on the Energy & Resources sector. She has led the CIS Consulting team since December 2013. Anastasia holds a degree from the Moscow State Institute of International Relations and is an ACCA member. She is a keen art collector with an interest in Social Realism.

Grigory Pavlotsky

Managing Partner, Tax & Legal

Grigory’s key focus is on working with global clients, across a range of sectors on advisory, due diligence and transaction structuring projects, related to the acquisition of CIS companies. He joined Deloitte in New York, in the International Tax Department. He led the Tax and Legal practice in Ukraine, Georgia and Belarus, before being appointed Managing Partner, CIS Tax & Legal. Grigory is a Master of Finance, Master of Accountancy and a CPA (New York). He is married with three children.

Andrey Bulakh

Managing Partner, West Region

Andriy is a native resident of Kyiv. In 2002, he joined Deloitte; in 2010, he took over the leadership of Audit Department and on 1 June 2014, he became Deloitte Ukraine Managing Partner. Andriy has led audit engagements of large multinational and local companies operating in different sectors of the economy. He also led the Capital Market Group and managed large companies’ IPO engagements. Today, Andriy is the CIS Innovation Group leader.

Mark Smith

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.

Sergei Neklyudov

Partner, CIS Financial Services Industry Leader

Sergei came to Deloitte after fourteen years with another big four firm, where he led IFRS, RAS/US GAAP audits for financial institutions. He holds a Master’s Degree in Economics, is a Russian Certified Auditor, and an АССА Member and sits on the Deloitte CIS Executive Committee. Sergei has extensive knowledge of the banking, brokerage and leasing sectors in Russia and Europe and leads projects in due diligence, development, and implementation of accounting and financial reporting systems.

Alexander Sokolov

Partner, Financial Advisory

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.

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