Cian O'Brien
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Cian O'Brien Email & Phone Number

Head of Investment Management Europe and the Americas at Colchester Global Investors Limited
Location: Dublin, County Dublin, Ireland 9 work roles 3 schools
1 work email found @biam.boi.ie LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email c****@biam.boi.ie
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Current company
Colchester Global Investors Limited
Role
Head of Investment Management Europe and the Americas
Location
Dublin, County Dublin, Ireland
Company size
71 employees

Who is Cian O'Brien? Overview

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Quick answer

Cian O'Brien is listed as Head of Investment Management Europe and the Americas at Colchester Global Investors Limited, a with 71 employees, based in Dublin, County Dublin, Ireland. AeroLeads shows a work email signal at biam.boi.ie and a matched LinkedIn profile for Cian O'Brien.

Cian O'Brien previously worked as Head of Investment Management Europe & the Americas at Colchester Global Investors Limited and Senior Investment Officer at Colchester Global Investors Limited. Cian O'Brien holds Cfa, Chartered Financial Analyst from Cfa.

Company email context

Email format at Colchester Global Investors Limited

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{first}.{last}@biam.boi.ie
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Profile bio

About Cian O'Brien

Cian O'Brien is a Head of Investment Management Europe and the Americas at Colchester Global Investors Limited. He possess expertise in fixed income, portfolio management, equities, investments, trading and 9 more skills.

Listed skills include Fixed Income, Portfolio Management, Equities, Investments, and 10 others.

Current workplace

Cian O'Brien's current company

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Colchester Global Investors Limited
Colchester Global Investors Limited
Head of Investment Management Europe and the Americas
Dublin, IE
Website
colchesterglobal.com
Employees
71
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Company profile
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9 roles · 25 years

Cian O'Brien work experience

A career timeline built from the work history available for this profile.

Global Fixed Income Portfolio Manager

Colchester Global Investors Limited

Colchester Global Investors is an independent, global government bond manager and was founded in 1999 by Ian Sims, Chairman and Chief Investment Officer. The firm manages approximately US$27bn for international clients across of variety of investment products: Global Bond, Global Inflation-Linked Bond, Green Bond, Local Currency Emerging Market Debt, Frontier Markets and Global Unconstrained Alpha. Colchester has a singular investment process which is applied in the same way to all the different products managed. We value bonds according to their real yields and currencies based on their real exchange rates. Both bond and currency valuations are adjusted for the financial stability of the underlying country and ESG factors. Colchester is majority-owned by its employees, allowing constancy of purpose and an alignment of interests between employees and clients. The firm is headquartered in London and has regional offices in New York, Singapore, Dublin, Madrid, Munich, Dubai and Sydney.

Mar 2013 - Sep 2019

Chief Executive Officer

Current
Colchester Global Investors Dublin

Dublin City, County Dublin, Ireland

Apr 2022 - Present

Vice President - Senior Portfolio Manager

State Street Global Advisors

London, United Kingdom

Senior PM in SSgA's Active Global Fixed Income team.

Jan 2011 - Mar 2013

Fixed Income Portfolio Manager

Bank Of Ireland Asset Management

Responsibilities include;- managing sovereign bond portfolios for BIAM's clients - generating alpha through duration, curve, intermarket and currency risk- trading bond futures to generate alpha- macroeconomic research

2006 - May 2011

Investment Writer

Bank Of Ireland Asset Management

I was responsible for preparing market commentaries for inclusion in client performance reports. I was also responsible for communicating investment strategies and portfolio changes to relationship managers and others sections of the company.

2005 - 2006 ~1 yr

Regulator

Financial Regulator

I worked in the department responsible for the regulation of stockbrokers and asset management companies. My responsibilities included analysis of financial statements and capital adequacy reports, liasing with the finance, compliance and risk functions of regulated firms, and onsite inspections of regulated firms.

2002 - 2005 ~3 yrs
Team & coworkers

Colleagues at Colchester Global Investors Limited

Other employees you can reach at colchesterglobal.com. View company contacts for 71 employees →

MS Martyn Simpson Martyn Simpson Colleague at Colchester Global Investors LimitedSingapore View → NB Nadiya Branson Nadiya Branson Colleague at Colchester Global Investors LimitedSingapore View → JC Jeremy Church Jeremy Church Colleague at Colchester Global Investors LimitedGreater London, England, United Kingdom View → JE Jorge Espinasa Jorge Espinasa Colleague at Colchester Global Investors LimitedLondon, England, United Kingdom View → HS Harry S. Harry S. Colleague at Colchester Global Investors LimitedLondon Area, United Kingdom View → SN Shendia Ng Shendia Ng Colleague at Colchester Global Investors LimitedSingapore View → AS Arpita Shah Arpita Shah Colleague at Colchester Global Investors LimitedGreater London, England, United Kingdom View → SM Senan Marshall Senan Marshall Colleague at Colchester Global Investors LimitedUnited Kingdom View → HS Holly Stevenson Holly Stevenson Colleague at Colchester Global Investors LimitedUnited Kingdom View → CG C Greco C Greco Colleague at Colchester Global Investors LimitedNew York, United States View →
3 education records

Cian O'Brien education

Cfa, Chartered Financial Analyst

Cfa

Msc, Investment & Treasury

Dublin City University

Final Grade: 1st class Honours (2nd place in class group) Thesis title: "The ability of debt and equity markets to discipline Irish Banks"

FAQ

Frequently asked questions about Cian O'Brien

Quick answers generated from the profile data available on this page.

What company does Cian O'Brien work for?

Cian O'Brien works for Colchester Global Investors Limited.

What is Cian O'Brien's role at Colchester Global Investors Limited?

Cian O'Brien is listed as Head of Investment Management Europe and the Americas at Colchester Global Investors Limited.

What is Cian O'Brien's email address?

AeroLeads has found 1 work email signal at @biam.boi.ie for Cian O'Brien at Colchester Global Investors Limited.

Where is Cian O'Brien based?

Cian O'Brien is based in Dublin, County Dublin, Ireland while working with Colchester Global Investors Limited.

What companies has Cian O'Brien worked for?

Cian O'Brien has worked for Colchester Global Investors Limited, Colchester Global Investors Dublin, State Street Global Advisors, Bank Of Ireland Asset Management, and Financial Regulator.

Who are Cian O'Brien's colleagues at Colchester Global Investors Limited?

Cian O'Brien's colleagues at Colchester Global Investors Limited include Martyn Simpson, Nadiya Branson, Jeremy Church, Jorge Espinasa, and Harry S..

How can I contact Cian O'Brien?

You can use AeroLeads to view verified contact signals for Cian O'Brien at Colchester Global Investors Limited, including work email, phone, and LinkedIn data when available.

What schools did Cian O'Brien attend?

Cian O'Brien holds Cfa, Chartered Financial Analyst from Cfa.

What skills is Cian O'Brien known for?

Cian O'Brien is listed with skills including Fixed Income, Portfolio Management, Equities, Investments, Trading, Bonds, Investment Management, and Financial Markets.

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