Katie Costello
AeroLeads people directory · profile

Katie Costello Email & Phone Number

Head of Hull and War at Markel International at Markel International
Location: London, England, United Kingdom 11 work roles 2 schools
1 work email found @markelintl.com LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email k****@markelintl.com
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Markel International
Role
Head of Hull and War at Markel International
Location
London, England, United Kingdom
Company size
624 employees

Who is Katie Costello? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Katie Costello is listed as Head of Hull and War at Markel International at Markel International, a with 624 employees, based in London, England, United Kingdom. AeroLeads shows a work email signal at markelintl.com and a matched LinkedIn profile for Katie Costello.

Katie Costello previously worked as Head of Hull and War at Markel International and Marine Hull and War Senior Underwriter at Markel International. Katie Costello holds Business Studies, Business Administration And Management, General, 2.1 from University Of Portsmouth.

Company email context

Email format at Markel International

This section adds company-level context without repeating Katie Costello's masked contact details.

{first}.{last}@markelintl.com
86% confidence

AeroLeads found 1 current-domain work email signal for Katie Costello. Compare company email patterns before reaching out.

View email format View company profile Management contacts
Profile bio

About Katie Costello

Committee member of the Lloyds Marine Under 35's Committee

Listed skills include Insurance, Account Management, Management, Sales, and 12 others.

Current workplace

Katie Costello's current company

Company context helps verify the profile and gives searchers a useful next step.

Markel International
Markel International
Head of Hull and War at Markel International
london, greater london, united kingdom
Website
markelinternational.com
Employees
624
AeroLeads page
Company profile
View company profile Email format
11 roles

Katie Costello work experience

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

Head Of Hull And War

Current
Markel International

London, England, United Kingdom

Jan 2024 - Present

Pa To Managing Director

W.G.Beaumont & Son Ltd

Essex

Mar 2008 - Jul 2009
Team & coworkers

Colleagues at Markel International

Other employees you can reach at markelinternational.com. View company contacts for 624 employees →

SW Suanne White Suanne White Colleague at Markel InternationalHoffman Estates, Illinois, United States View → GS Goh Shao Feng Ryan Goh Shao Feng Ryan Colleague at Markel InternationalSingapore View → MR Mukta Rewanwar Mukta Rewanwar Colleague at Markel InternationalHyderabad, Telangana, India View → HK Henry Knight Henry Knight Colleague at Markel InternationalLondon, England, United Kingdom View → OH Olivia Hogan Olivia Hogan Colleague at Markel InternationalUnited Kingdom View → JB Julian Brown Julian Brown Colleague at Markel InternationalGreater London, England, United Kingdom View → FC Francis Chuku Francis Chuku Colleague at Markel InternationalMontreal, Quebec, Canada View → LR Linda Rynders Linda Rynders Colleague at Markel InternationalNew Kent, Virginia, United States View → NS Nicola Sumner Nicola Sumner Colleague at Markel InternationalGreater Leeds Area, United Kingdom View → KL Krisstina Lucas Krisstina Lucas Colleague at Markel InternationalLondon Area, United Kingdom View →
2 education records

Katie Costello education

Education record

Ilford Ursuline High School
FAQ

Frequently asked questions about Katie Costello

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

What company does Katie Costello work for?

Katie Costello works for Markel International.

What is Katie Costello's role at Markel International?

Katie Costello is listed as Head of Hull and War at Markel International at Markel International.

What is Katie Costello's email address?

AeroLeads has found 1 work email signal at @markelintl.com for Katie Costello at Markel International.

Where is Katie Costello based?

Katie Costello is based in London, England, United Kingdom while working with Markel International.

What companies has Katie Costello worked for?

Katie Costello has worked for Markel International, Axa Corporate Solutions, Marketforce Business Media, Marketforce Business Media Ltd, and W.G.Beaumont & Son Ltd.

Who are Katie Costello's colleagues at Markel International?

Katie Costello's colleagues at Markel International include Suanne White, Goh Shao Feng Ryan, Mukta Rewanwar, Henry Knight, and Olivia Hogan.

How can I contact Katie Costello?

You can use AeroLeads to view verified contact signals for Katie Costello at Markel International, including work email, phone, and LinkedIn data when available.

What schools did Katie Costello attend?

Katie Costello holds Business Studies, Business Administration And Management, General, 2.1 from University Of Portsmouth.

What skills is Katie Costello known for?

Katie Costello is listed with skills including Insurance, Account Management, Management, Sales, Marketing, Event Management, Negotiation, and Human Resources.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.

People with similar names

Check these profiles if this is not the Katie Costello you were looking for.

Katie Costello
Katie Costello
Senior Customer Experience & Operations Leader (Cxad Dip, Prince2 Qualified) | Service Design & Strategic Planning | Cx Strategy, Proposition & Journey | Programme Management & Change Management | Omnichannel
Redhill
Katie Costello
Katie Costello
End Of Life Support Services - Multi Award Winning Soul Midwife, Funeral Celebrant And Accredited Death Educator.
Horsham
View similar profiles