The highly experienced technical and financial team, has overseen 60+ mine builds and over US$200bn of mining sector transactions, and works in a close and collaborative manner with management teams to deliver optimal results

Guillermo is a Managing Partner of Appian Capital Advisory. Guillermo is based between both London and Lima, responsible for deal sourcing, transaction negotiations, due diligence and structuring of transactions, credit committee processes and portfolio company oversight. Guillermo retains a strong presence in Latin America, having access to a number of the largest and most important public and private mining companies on the continent.

Prior to joining Appian, Guillermo was Managing Director of Arias Resource Capital (mining private equity fund) where he was principally responsible for deal sourcing, resulting in 20 investments ranging from US$10-$85m and deploying over US$600m.

Prior to joining Arias Resource Capital, Mr. Kaelin worked in investment banking with JPMorgan’s Metals and Mining division serving as an advisor for M&A, debt and equity transactions for a wide range of clients in the mining and metals industry, including: Newmont, Glamis (now Goldcorp), Hochschild, Yamana, Teck Cominco, Phelps Dodge, Gold Reserve, Peñoles, Atacocha and Reliance Steel.

Guillermo has extensive experience managing portfolio companies and served as an Executive Director and as a Chairman on both publicly listed and private mining companies serving as Director of Sierra Metals (TSX: SMT) and Chairman of Sociedad Minera Corona.

Guillermo is an Industrial Engineer and holds a Master in Finance from ESAN University and an MBA from The University of Chicago GSB.

Guillermo and Michael have known each other and worked together since 2006.