Nii Saka A. in

Nii Saka A.

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Senior Portfolio Manager at Vanguard
📍 London, England, United Kingdom

Nii Saka A. is a Senior Portfolio Manager at Vanguard with over 15 years of experience in financial technology, quantitative modeling, and trading systems. His career includes leadership roles at Bank of America and Credit Suisse, where he specialized in algorithmic electronic trading and platform development. He is a graduate of Swarthmore College.

He formerly headed the Qate program at Bank of America, a trading platform focused on balance sheet optimization and inventory management.

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Experience
24 Years
Current Role
Senior Portfolio Manager
Job Level
Middle
Location
London, England, United Kingdom
Personality Overview

How Nii shows up

Communication Style
Decision Approach
Work Preference

Behavioral traits and communication patterns that shape how this person evaluates opportunities, builds trust, and makes decisions in professional settings.

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Priorities

Topics Nii cares about

Quantitative Trading
His career has centered on algorithmic trading, ETF systematic block trading, and developing quantitative models for risk and portfolio management at top financial institutions.
Fintech Strategy
Previously led a team at Vanguard developing long-term data strategy, experimentation, and architecture for the firm's investment management groups.
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Career

Work history

4-2025
Senior Portfolio Manager
Vanguard
8-2021 - 4-2025
Portfolio Manager
Vanguard
8-2021 - 3-2023
Senior Manager, Investment Management FinTech Strategies
Vanguard
2019 - 8-2021
Senior Trading Strategist
Bank of America
2019 - 2019
U.S. Head, Principal Electronic Trading Product
Credit Suisse
In the press

Media appearances

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Education
Securities Industry Institute® (SII) Executive Education Program
Wharton Executive Education
Bachelor of Science - BS
Swarthmore College
Social presence
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Behavioral profile

DISC profile (public)

DISC behavioral profile

Dominance, influence, steadiness, and calculativeness scores with guidance on how this person prefers to communicate and decide.

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