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Mariana Rea

@marianarea

IT Service Management professional at GAFISA who cut monthly incidents by 70% through supplier-led remediation.

United Kingdom
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At GAFISA, I managed live services across more than 70 business-critical systems spanning three corporate brands. By analysing recurring incidents and working with outsourcing partners on root cause investigations and corrective actions, I helped reduce monthly incidents by 70% while consistently exceeding 95% SLA targets.

At BRITISH COUNCIL, I coordinated service introduction and operational readiness for the global rollout of a Young Learners LMS across 46 countries. I worked with business, technical, security and supplier stakeholders to manage service risks and support the transition into BAU.

At EWAVE, I worked with Kraft Heinz stakeholders and technical teams on customer service and financial system migrations, including a Salesforce Omnichannel solution that improved operational efficiency by 35%. I hold an MBA and CMI Level 7 Diploma in Strategic Management & Leadership, and my certifications include ITIL Foundation, Scrum Master Certified and Lean Six Sigma Yellow and White Belt.

Experience

Work history, roles, and key accomplishments

Education

Degrees, certifications, and relevant coursework

University of Sussex logoUS

University of Sussex

MBA, Business Administration

Grade: Merit

Completed an MBA with Merit and a CMI Level 7 Diploma in Strategic Management and Leadership in March 2023.

Chartered Management Institute logoCI

Chartered Management Institute

Level 7 Diploma, Strategic Management and Leadership

Earned the Chartered Manager (CMgr MCMI) designation and Level 7 Diploma in Strategic Management and Leadership in 2023.

PR

Prometric

ITIL Foundation, IT Service Management

Achieved ITIL Foundation certification in IT Service Management in 2010.

VS

VMEdu / SCRUMstudy

Scrum Master Certified, Scrum

Earned the Scrum Master Certified (SMC) credential.

SC

6sigmastudy / CAE

Yellow & White Belt, Lean Six Sigma

Completed Lean Six Sigma Yellow and White Belt certifications.

Tech stack

Software and tools used professionally

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