Senior Management

Willem ("Hans") Humes, President & Chief Investment Officer

Willem Humes, President & Chief Investment OfficerMr. Humes is the President and CIO of Greylock Capital Management, LLC, which he founded as a joint venture with Van Eck Global in May, 1995. Mr. Humes has 20 years of experience working in emerging markets. He was a Managing Partner of Van Eck Absolute Return Advisors, Inc. where he launched the fund which became the Greylock Global Opportunity Fund in 1997.

From 1991 to 1994, he was a key member of the Lehman Brothers emerging markets debt trading team, co-developing the desk and managing over $500M in investments. Prior to that he traded a proprietary debt portfolio at Banco Santander and engineered several debt/debt and debt/equity swaps in Latin America. He began his career at Manufacturer's Hanover, where he worked on the sovereign debt restructurings for the Republic of the Philippines and the Republic of Yugoslavia.

Mr. Humes served as the Co-Chairperson of the Global Committee of Argentina Bondholders (GCAB), which represented approximately $40 billion in holdings in the largest sovereign debt restructuring in history. He is a member of the Institute of International Finance’s (IIF) Principles Consultative Group (PCG) for the Principles for Stable Capital Flows and Fair Debt Restructuring in Emerging Markets, and of the IIF Working Group on Reconciliation of Past Due Sovereign Debt. Mr. Humes is on the Investment Committee of Synergos, a nonprofit institute dedicated to developing effective, sustainable, and locally based solutions to global poverty. Mr. Humes is also on the board of the New York Theatre Workshop (NYTW).

Mr. Humes received his BA from Williams College. He has lived and studied in Nigeria, Morocco, Canada, Netherlands, Chile, Mexico, and Belgium and is fluent in Spanish.

Ajata "AJ" Mediratta, Senior Portfolio Manager

Ajata Mediratta, Chief Operating Officer & Senior Managing DirectorMr. Mediratta joined Greylock Capital Management, LLC as the Senior Portfolio Manager in June of 2008, following the acquisition of Bear, Stearns & Co., Inc by JPMorgan Chase. He was previously a Senior Managing Director and Head of Bear Stearns’ International Debt Capital Markets Group. His group was responsible for the capital market financing transactions for sovereign, quasi-sovereign and corporate clients of Bear Stearns in Latin America, Asia and the Middle East. From 2002-2008, his group underwrote more than US$30billion of securities in more than fifteen countries worldwide, and acted as a financial advisor on more than US$40 billion of corporate and sovereign debt restructurings.

He joined Bear Stearns in October 1997 from Crédit Lyonnais Securities (USA) Inc., where he headed the fixed-income Structured Products Group for emerging markets out of New York. Before joining Crédit Lyonnais Securities in late 1995, Mr. Mediratta spent three years at The Weston Group, a New York based investment banking boutique, specializing in the origination and structuring of private placement issues out of Latin America. Prior to Weston, which he joined after graduating from the Columbia Business School, he worked in the International Division of the Export-Import Bank of the United States in Washington D.C.

Mr. Mediratta received his CFA Charter in 1995, an MBA degree in Finance and International Business from Columbia Graduate School of Business in 1992 and a Bachelor of Arts degree in Economics from Williams College in 1987.

Diego Ferro, Senior Portfolio Manager

Diego Ferro, Senior Portfolio ManagerMr. Ferro joined Greylock Capital Management in September 2009 as a Senior Portfolio Manager. Mr. Ferro has 20 years of experience working on Wall Street and in banking. Until recently, Mr. Ferro was co-head of Latin America Fixed Income Trading and Structuring at Goldman Sachs & Co. Inc. In this capacity, he was responsible for the New York and South American operations which included market making in emerging market debt, proprietary trading and deal structuring in currencies, rates, credit trading and illiquid risks (asset backed securities, loans and hybrid securities).

Before joining Goldman Sachs, Mr. Ferro spent 11 years at Morgan Stanley where he oversaw the Capital Markets and Structuring group for Latin America. Prior to that, Mr. Ferro created and managed the Local Markets trading and structuring teams at Morgan Stanley.

Before joining Morgan Stanley, Mr. Ferro worked at Citibank and Lehman Brothers where he specialized in trading and structuring fixed income transactions with Latin American assets for clients in the region. Before moving to the United States, he worked in large privatizations for Banco Rio de la Plata (Argentina) where he was a member of the International Division involved in telecom, oil and transportation transactions.

Mr. Ferro is a member of the advisory board of Entre Todos, one of the largest micro-lending charities operating in Argentina. Between 2000 and 2004, he was on the board of the International Center of Photography (New York), and was a member of its finance committee. Between 2003 and 2006, Mr. Ferro was on the board of the Emerging Markets Traders Association (EMTA).

Mr. Ferro earned his MBA from The Amos Tuck School of Business Administration (Dartmouth College) in 1993 where he graduated with Distinction as an Edward Tuck Scholar. He earned a BA in Business in 1988 and a BA in Economics in 1989 from the Universidad Catolica Argentina (Buenos Aires), graduating in both instances, first in his class.