Marcelo Assalin, CFA, partner, is the head of William Blair’s emerging markets debt (EMD) team, on which he also serves as a portfolio manager. He is also a member of William Blair Investment Management’s leadership team. Before joining William Blair, Marcelo was head of EMD at NN Investment Partners, a role he began in 2015, and lead portfolio manager for blended debt portfolios. Previously, he was the lead portfolio manager for NNIP’s local currency strategies. Before joining NNIP in 2013, Marcelo was a senior EMD portfolio manager and head of emerging market sovereign debt and local currency at ING IM USA (now Voya Financial). Before that, he worked in various capacities, including CIO
Marcelo Assalin
Partner, Head of Emerging Markets Debt & Portfolio Manager
William Blair
United Kingdom, England, London
About Me
Profile Information
Partner, Head of Emerging Markets Debt & Portfolio Manager
William Blair
Investment Team,Operations Team
Investor
Consultant
London
England
United Kingdom
Jun 23, 2025
Work Experience
William Blair
Partner, Head of Emerging Markets Debt & Portfolio Manager Jan 2020 - Present
Email: massalin@williamblair.com
More profiles to browse
WE
William Escamilla
Partner
Laura Coy
Head of Philanthropy and Sustainability

Douglas Blauw
Partner, Managing Director, Midwest Regional Sales Manager and Head of Midwest Sales
TW
Tom Wilson
Portfolio Manager
You Might Like
RA
Richard A. Davies
Partner, COO & CCO
O‘Brien Wealth Partners LLC
BH
Bob Helmer
President Emeritus
Baldwin Wallace University
KP
Kathy Polichetti
Senior Client Service Specialist
Pennsylvania Capital Management
NZ
Nancy Zatzman
Project Manager
Pennsylvania Capital Management