View from the top: Interviews

Diane Bettess, chief operating officer of Wasabi, discusses opportunities for the Kalina Cycle technology, progress on existing projects and what will boost the share price.

After being admitted on the PLUS market in January 2010, shares in US Oil and Gas have soared. Darshini Shah questions chief executive Brian McDonnell on the reasons behind the success.

Darshini Shah questions Solomon Gold chief executive Malcolm Norris on the progress regarding the prospect of more capital raising, what opportunities lie ahead for the company and what he believes the new management team needs to do to get the share price climbing.

Darshini Shah questions Rambler Metals & Mining's vice president of corporate development, Peter Mercer, on the progress of the Ming mine, risks to the business, and what flexibility the investment from Tinma International has provided.

How has new investment changed Mariana Resources, what is the progress on its projects and what can shareholders expect in 2012? Darshini Shah questions the Argentina and Chile-focused gold explorer's chairman, John Horsburgh.

Gold producers are 10 a penny. But to find one that is profitable, with no debt and enough cash to exploit its current project, is like striking gold. Interactive Investor talks to Goldplat chief executive Demetri Manolis.

A year after gold producer Ortac saw its shares plummet by 50%, Interactive Investor asked chief executive Vassilios Carellas what lies in store for the company in 2012.

FTSE 100 giant Tullow Oil had a huge 2011. But how has it changed the company, are there any regrets and what can shareholders expect in 2012? Interactive Investor editor Sarah Modlock asks Tullow's chief financial officer Ian Springett.