John Calleya
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John Calleya Email & Phone Number

Technical Officer for Air Pollution at the International Maritime Organization at International Maritime Organization
Location: Greater London, England, United Kingdom 4 work roles 1 school
1 work email found @imo.org LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Role
Technical Officer for Air Pollution at the International Maritime Organization
Location
Greater London, England, United Kingdom
Company size

Who is John Calleya? Overview

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Quick answer

John Calleya is listed as Technical Officer for Air Pollution at the International Maritime Organization at International Maritime Organization, a company with 390 employees, based in Greater London, England, United Kingdom. AeroLeads shows a work email signal at imo.org and a matched LinkedIn profile for John Calleya.

John Calleya previously worked as Technical Officer at International Maritime Organization and Vessel Performance Specialist at Bmt Smart. John Calleya holds Master Of Engineering (Meng), Naval Architecture And Marine Engineering from University College London, U. Of London.

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Email format at International Maritime Organization

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{first_initial}{last}@imo.org
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Profile bio

About John Calleya

Dr John Calleya completed a Naval Architecture Master's degree at University College London (UCL), during this time he worked as a Submarine Naval Architect for BAE Systems at a shipyard in the UK. John completed a PhD at UCL that examined ways to design ships with lower greenhouse gas emissions.After his PhD, John secured further research funding to develop a holistic ship energy model, the Whole Ship Model, leading the engineering effort in a techno-economic shipping sector model. John also worked in a consultancy role with leading shipping companies and led the RINA delegation to IMO Marine Environmental Protection Committee (MEPC) meetings.After leaving UCL, John worked at a ship performance monitoring company, before joining the International Maritime Organization (IMO) in 2018. John is responsible for administering the IMO Data Collection System, the EEDI database and is an IMO expert for matters related to air pollution. As a member of the Secretariat he is responsible for delivering IMO meetings.

Listed skills include Shipbuilding, Transport Modelling, Systems Engineering, Carbon Dioxide Reducing Measures, and 19 others.

Current workplace

John Calleya's current company

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International Maritime Organization
International Maritime Organization
Technical Officer for Air Pollution at the International Maritime Organization
london, greater london, united kingdom
Website
Employees
390
AeroLeads page
4 roles

John Calleya work experience

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

Technical Officer

Current

London, United Kingdom

John is the IMO expert for IMO instruments related to air pollution, including SOx emissions, NOx emissions, carbon dioxide emissions and ozone-depleting substances.John is responsible for managing and running the IMO Data Collection System, the EEDI database and tools to assist member states in reporting matters related to air pollution.As a member of the.

Aug 2018 - Present

Vessel Performance Specialist

Bmt Smart

Fareham, United Kingdom

This role included carrying out analysis of ship performance data for customer's. In order to interpret the data for customers and provide some advice to improve ship performance and reduce costs.Another part of the this role was to develop BMT SMART Performance Monitoring products and documentation, this included developing a monitoring plan that is.

Jun 2017 - Jan 2018

Naval Architect

Full time researcher leading the development of an integrated ship design computer model, the Ship Impact Model (SIM), in the UK based project Shipping in Changing Climates. This involves working and integrating the work of 5 UK universities guided by industrial partners to build a holistic ship design model. It has also been necessary to collaborate with.

Aug 2010 - Jun 2017

Naval Architect

Worked as a Submarine Naval Architect in Naval Architecture, commissionsing, platform design and product verification (quality assurance aspects that involve consideration of the whole submarine design) and marine engineering. Roles included working on handling summaries (simulating submarine performance to give guidance to crew) and developing a new.

Jun 2008 - Aug 2009
Team & coworkers

Colleagues at International Maritime Organization

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1 education record

John Calleya education

FAQ

Frequently asked questions about John Calleya

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

What company does John Calleya work for?

John Calleya works for International Maritime Organization.

What is John Calleya's role at International Maritime Organization?

John Calleya is listed as Technical Officer for Air Pollution at the International Maritime Organization at International Maritime Organization.

What is John Calleya's email address?

AeroLeads has found 1 work email signal at @imo.org for John Calleya at International Maritime Organization.

Where is John Calleya based?

John Calleya is based in Greater London, England, United Kingdom while working with International Maritime Organization.

What companies has John Calleya worked for?

John Calleya has worked for International Maritime Organization, Bmt Smart, University College London, and Bae Systems.

Who are John Calleya's colleagues at International Maritime Organization?

John Calleya's colleagues at International Maritime Organization include Bulmaro Rodriguez, Fotis Kalampogias, Beatrice Vormawah, Marija Vranic, and Christine Caceres.

How can I contact John Calleya?

You can use AeroLeads to view verified contact signals for John Calleya at International Maritime Organization, including work email, phone, and LinkedIn data when available.

What schools did John Calleya attend?

John Calleya holds Master Of Engineering (Meng), Naval Architecture And Marine Engineering from University College London, U. Of London.

What skills is John Calleya known for?

John Calleya is listed with skills including Shipbuilding, Transport Modelling, Systems Engineering, Carbon Dioxide Reducing Measures, Navy, Matlab, Energy Management, and Energy.

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