Jaroslav is recommended and recognised as a leading expert in the field of labour and employment law by the Chambers European Guide. He is ranked by Best Lawyers as a leading lawyer specialising in employment law. In addition, Jaroslav is considered a leading expert in Slovak employment law by The International Who's Who of Management Labour & Employment Lawyers 2009 and Expert Guides-Guide to the World's Leading Labour and Employment Lawyers 2010.

Membership of professional societies

• Czech Bar Association (ČAK)
• Slovak Bar Association (SAK)
• Board of Experts of the Association for Promotion of Collective Bargaining and Labour Relations (AKV)
• European Employment Lawyers Association (EELA)
• International Bar Association (IBA)