Zenith Energy has strengthened the legal team supporting its claimant subsidiaries in ongoing arbitration proceedings against the Republic of Tunisia.

The AIM-listed international energy production and development company has appointed Andrea Pinna, a partner at international disputes firm Pinna Goldberg, to support its case being brought before the International Centre for Settlement of Investment Disputes (ICSID) under the UK-Tunisia Bilateral Investment Treaty.

Pinna, who is based across Paris, London, Washington and Dubai, specialises in international commercial and investment arbitration and has acted in more than 50 arbitration proceedings across sectors including oil and gas, joint ventures and M&A disputes.

The wider legal team is being led by Professor Thomas Clay alongside other counsel from Charles Russell Speechlys Paris and Essex Court Chambers.