John Callachan - Email & Phone Number

Solutions Director at Ddc Os

John Callachan is based out of Greater Sheffield Area and works at Ddc Os as Solutions Director.

John Callachan's Contact Information

John Callachan's Work email

j*****@ddco***.com

Valid

Latest update

October 30, 2025

Location

Greater Sheffield Area

John's current employer

Ddc Os

Description

Website

ddcos.com

HQ Location

Worksop, Nottinghamshire, United Kingdom

Number of employees

201-500

Industry

Outsourcing And Offshoring Consulting

Latest update

April 30, 2024

Read about Ddc Os

Frequent questions about John Callachan

What company is John Callachan working for?

John Callachan works for Ddc Os.

What is John Callachan's function at Ddc Os?

John Callachan is Solutions Director at Ddc Os.

Where is John Callachan based?

John Callachan is based out of Greater Sheffield Area.

What is John Callachan's work email address?

John Callachan's professional email address is j*****@ddco***.com

Who are John Callachan's co-workers?

John Callachan's colleagues are Emmie Squire-Norton, Cheryl Jamieson, Joe Beal, Katie Davies, Brett Trevalyan, Jade Gash, Mark Trimming, Hayley Barlow, Jason Hall, Ray Cooper, Darren McKay, Rebecca Taylor, Cheryl Brown, Marie Sandler, Chrissie Spencer, Marisa Adams, April Hooley, Nancy Corke, Tia Hudson, Yvez McKenzie, Abdul Miah, Olivia Parsons, Claire Lowe, Charlotte Stanesby, Sharron Haywood, Liane Noble, Anna Watson, Larisa Rosca, Charlotte Pike, Ella Spencer, Chris Whitehead, Simon Keeler, Cat Nolan, Jackie Colyer, Niall Rogers.

John's co-workers

Emmie Squire-Norton

Marketing Coordinator

Cheryl Jamieson

Operations Support Coordinator

Joe Beal

Chief Commercial Officer (CCO)

Katie Davies

Client Development Director

Brett Trevalyan

Director

Jade Gash

Director of Utilities and Telecoms

Mark Trimming

Director of IT

Hayley Barlow

Global Director Of Customer Operations

Jason Hall

Head of Shared Services

Ray Cooper

Innovation Director

Darren McKay

Head Of Service Delivery

Rebecca Taylor

Commercial Director

Cheryl Brown

Head Of Human Resources

Marie Sandler

HR Director

Chrissie Spencer

Director of Marketing & Communications

Marisa Adams

Administrator

April Hooley

Service Delivery Executive

Senior Service Delivery Manager

Olivia Parsons

Customer Service Advisor

Claire Lowe

Billing

Charlotte Stanesby

Human Resources Assistant

Sharron Haywood

Human Resources Advisor

Liane Noble

Service Deliver Manager at DDC OS

Anna Watson

Service Delivery Manager

Larisa Rosca

Service Delivery Executive

Charlotte Pike

Internal Communications Officer

Ella Spencer

Marketing Campaign Executive

Chris Whitehead

IT Project & Change Manager

Simon Keeler

Chief Operating Officer

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