Meshack has extensive experience as a facilitator, trainer, negotiator and mediator. He was employed by the Chemical Workers Industrial Union, a Cosatu affiliate, for 13 years. He was thereafter employed as a full-time Senior Commissioner at the Commission for Conciliation, Mediation and Arbitration (CCMA) for four years and vacated his full-time position to pursue a career as an Independent Labour Consultant in 2001.

He is a former Director of Tokiso Dispute Settlement (Pty) Ltd and also runs his own Labour Relations Consultancy, Ravuku Strategic Dispute Resolution (PTY) LTD.