Our Partners in Bulgaria

Sylvia Peneva

Country Managing Partner

Sylvia Peneva is Country Managing Partner for Deloitte Bulgaria. She is а founder of Deloitte office in Bulgaria when it started in 1992. She is а Partner in Deloitte Central Europe and Country Leader for Deloitte Bulgaria. She is a member of the Boаrd of Directors for Deloitte Central Europe.

Sylvia Peneva leads Deloitte Bulgaria team for servicing financial sector institutions. She has more than 25 years experience in audits in Bulgaria and other countries. As of 2011 she becomes a Partner in Charge for Audit&Assurance and Risk Advisory for the Balkan region. She has been in charge for number of audits of Bulgarian and international banks, financial institutions, manufacturing and trade companies, non-for-profit organizations. She has extensive experience in due diligences as well as a leading role as a consultant in various projects.

Sylvia Peneva is a registered auditor in the Bulgarian Institute of Certified Public Accountants (BICPA), a member of the Institute of Internal Auditors, possessing a Certification in risk management assurance (CRMA) and a member of the Chamber of Financial Auditors of Romania.


Desislava Dinkova

Partner in Charge

Desislava Dinkova is a former Audit Manager in a Big 4 company in Bulgaria, where she spent more than 6 years. Then she gained industry experience as CFO in an international medical equipment company, while in the last 3 years she has successfully run the Audit practice of an international consultancy firm.

Desislava Dinkova is an ACCA member, has Diploma from the European Academy „Financial Control of EU funds” and holds a Мaster's degree in Economics from the University of National and World Economy in Sofia, Bulgaria.


Pieter Wessel

Partner in Charge
Tax & Legal

In March 2009, Pieter came from  Deloitte in The Netherlands to Deloitte Romania as a Tax Partner specialized in indirect taxes. Pieter is leading  the Deloitte Romania Value Added Tax and Customs & Global Trade teams and since December 2012 he is heading Tax & Legal practice in Bulgaria, being responsible for delivery of all aspects of tax advisory and compliance work (indirect taxes, personal income taxes) for a wide portfolio of multinational clients, structuring inward investments (location of investing entity, method of financing, type of local entity, profit repatriation), tax due diligences, offshore tax planning, tax planning for existing entities in Romania and Bulgaria. 

Pieter has wide experience in all fields of taxation (both direct and indirect), in transactions and M&A, international restructuring and taxation of complex cross-border derivative products and due diligence project. Pieter has a master degree in fiscal law at the University of Leiden (Netherlands) and is a member of the Romanian Chamber of Tax Consultants.


Rositsa Boteva


Rositsa rejoined Deloitte as an Audit Partner of the Bulgarian practice in June 2019. Prior to rejoining Deloitte she was an Audit Director of another Big 4 firm where she spent more than 13 years. Her professional experience also includes: tax consultant in Deloitte and another Big 4 company, chief accountant of a local Bulgarian bank, CFO of a large Bulgarian group of companies dealing with agricultural products.

Rositsa has more than 30 years of diversified audit, tax and accounting experience working with a wide range of local and multinational companies and financial institutions. She participated in a number of due diligences in some of the largest privatization transaction in Bulgaria. She has broad experience in leading large and complex audits of financial statements/group reporting packages prepared in accordance with IFRS, US GAAP and National Accounting Standards.

Rositsa Boteva is a registered auditor, member of the Bulgarian Institute of Certified Public Accountants since 1999. She successfully completed her ACCA qualification in 2014.


Lars Wiechen

Financial Advisory

Lars Wiechen is Partner-in-Charge of Deloitte Romania’s and Bulgaria’s Financial Advisory practices. He has extensive experience in business and asset valuations with a complementary background of international accounting, forensic and dispute analysis, financial due diligence, mergers and acquisitions, restructuring and debt advisory.

He holds a master’s degree in business administration (MBA) from the University of Frankfurt am Main/Germany and graduated in bank business management at Deutsche Bank/Germany.

Lars is a Registered Certified Public Accountant (CPA) in Illinois/USA, Accredited in Business Valuation (ABV), Certified in Financial Forensics (CFF) and designated Chartered Global Management Accountant (CGMA) by the American Institute of Certified Public Accountants (AICPA).

He is also an Accredited Senior Appraiser (ASA) of the American Society of Appraisers and Certified in Entity and Intangible Valuations (CEIV), an Accredited Member (MAA) of the National Association of Valuers in Romania (ANEVAR), a Member of the Royal Institution of Chartered Surveyors (MRICS), and a Recognized European Valuer (REV).


Adam Kołaczyk

Partner in charge

Adam is a partner in FSI Technology Consulting specialising in financial reporting, risk and regulatory technology. He is also Partner in Charge of Bulgarian Consulting practice. Adam has worked extensively abroad leading risk and financial reporting technology projects in various countries in Europe, Middle East and Asia.

He built and led a business unit employing over 100 staff which developed Deloitte’s proprietary IT solution covering IFRS 9 reporting for banks and other financial institutions. The solution was implemented for FSI clients located in numerous geographies across the globe.

Adam has over 20 years of experience in financial audit, financial due diligence, asset quality reviews, financial reporting, IFRS, risk management, regulatory compliance and related IT technology gained at both financial institutions and corporate clients.

Prior to joining Deloitte in 2002 Adam worked for 6 years as a financial statement auditor in Audit and Business Advisory department of another advisory company.

Adam is a Certified Public Accountant. 


Reneta Petkova


Reneta is Partner and Leader of Deloitte Legal practice in Bulgaria. She has 27 years of professional experience and is recognized, both nationally and internationally, as a reputable lawyer. She is ranked as a leading lawyer by Legal 500, Chambers & Partners and IFLR.

Prior to joining Deloitte in 2014, Reneta has acted as Managing Partner and Senior Partner at the Bulgarian branch of an international law firm. Her professional biography also includes: Head of the Legal Department of one the biggest Bulgarian banks, Chief Legal Adviser of a company – owner of the state banks, Legal Adviser at payment operation company, Legal Adviser of the Management Board of Bulgarian National Bank, Senior Associate with a European Law Firm. Reneta graduated with an LL.M from the Sofia University Faculty of Law and is a member of Sofia Bar Association.

Did you find this useful?