Jonathan Siow: Email & Phone Number

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Fixed Income Portfolio Manager at BlackRock|Singapore

Position:

Fixed Income Portfolio Manager at BlackRock

Location:

Singapore

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Last updated: 2026-05-05

Updated: 2026-05-05

Found email addresses for Jonathan Siow:

Business emails:

j***********w@blackrock.com

Found phone for Jonathan Siow:

+65-***-***-6501

A different Jonathan Siow?

Work Experience 15 years

Fixed Income Portfolio Manager at BlackRock

Jul 2023 - Current

Fixed Income Portfolio Manager at Amundi

Jun 2018 - Jul 2023

Fixed Income Analyst at Mitsubishi UFJ Trust and Banking

Aug 2017 - May 2018

Fixed Income Analyst at UOB Asset Management

Sep 2014 - Aug 2017

Relationship Manager at Standard Chartered

Aug 2011 - Jul 2013

Jonathan Siow started working in 2011, then the employee has changed 4 companies and 2 jobs. On average, Jonathan Siow works for one company for 2 years 9 months.

Their professional focus is Banking, Bloomberg, and Capital Markets across 3 core areas.

Education

Master's degree at Singapore Management University

Bachelor of Engineering (BEng) at University of Illinois at Urbana-Champaign

Frequently Asked Questions

What is Jonathan Siow's email address?

SignalHire found a verified business email address for Jonathan Siow: j***********w@blackrock.com.

What is Jonathan Siow's phone number?

SignalHire found a verified phone number for Jonathan Siow: +65-***-***-6501.

How do I contact Jonathan Siow at BlackRock?

You can reach Jonathan Siow through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Jonathan Siow's professional background?

Jonathan Siow has 15 years of professional experience. They have held roles including Fixed Income Portfolio Manager, Fixed Income Analyst, and Fixed Income Analyst at companies such as Amundi, Mitsubishi UFJ Trust and Banking, and UOB Asset Management. Their education includes Master's degree from Singapore Management University, and Bachelor of Engineering (BEng) from University of Illinois at Urbana-Champaign.

Is Jonathan Siow's contact information up to date?

Yes. Jonathan Siow's SignalHire profile was last updated on 5 May 2026, reflecting their current position as Fixed Income Portfolio Manager at BlackRock in New York, NY, United States.

Jonathan Siow Namesakes

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Jonathan Siow

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