About us

JSL Advisors

At JSL, client satisfaction is paramount. We focus on customized solutions, understanding the unique requirements of each client and delivering results that  exceed their business objectives.

Meet the Team

We have been in the frontline of  several companies in different industries both in Greece and abroad, responsible to meet targets, bring results and increase the net value of the companies we worked for.
John Mystakidis
John Mystakidis
Financial

Highly qualified professional, with over 25 years of experience in the areas of financial management and financial reporting, restructuring and operational process control, auditing and consulting. He has an extensive and strong international experience and also an experience as a CFO in managing under severe crisis conditions (Chapter 11) and bringing positive results. He has acted as the Lead Partner in a number of prominent large Greek and multinational companies addressing and resolving complex and critical issues and supporting management as an advisor, in discussions and negotiations with investors, financial institutions, regulators and authorities. John has been a partner at EY (2002-2013) specialized in IFRS, and from 2008 through 2013 he was the Country Managing Partner of EY in Bulgaria. He has also acted as CFO in a number of large public & private entities.

Spyros Manetas
Spyros Manetas
Engineering

Innovative and results oriented manager with over 30 years of experience as both managing director for companies  in Greece and abroad and as consultant in major projects such as Athens Metro Line 1, Onassis transplant hospital, the Mall and other office and residential buildings. He has extensive experience in crisis management, restructuring of companies, sales and business development, project management, team development  and seminars of both technical and managerial character. He has an MSc in Electrical Engineering with Post Graduate studies in Lift Engineering and Project Management. Has been a Member of  the Technical Chamber of Greece(TEE) and British Chartered Institution of Building Service Engineers (CIBSE).

Lucas Diamantopoulos
Lucas Diamantopoulos
Operations

Business-driven manager with more than 20 years working as Director & CEO for medium size(150-400 employees) organizations in Greece and abroad. Determined and experienced with proven record in transforming companies both organizationally and mentally to be agile and meet their tactical and strategic goals. Proven leader with significant background in industrial, durable products and consulting. Studied Applied Economics with Post Graduate studies in Trade Theories and International Economics. Has been a member of the Hellenic Management Association (EEDE) and the Institute of Marketing

Our Experience Combined

List of companies we worked and consulted over the years