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Marvin JERNIDIERMJ
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Marvin JERNIDIER

@marvinjernidier

CRM and Lifecycle Marketing Manager at MJ Metrix who built behaviour-based retention flows and reached breakeven with Brevo’s Latin America launch.

Chile
Message

At MJ Metrix, I founded and ran a digital agency for five years, supporting 25 simultaneous accounts with 95% annual retention. I designed HubSpot from scratch and built onboarding, nurturing, and win-back flows in HubSpot, Klaviyo, and Brevo.

At Google, I ran Brevo’s Latin America launch as an account-based programme tested against a control group, reaching breakeven. I adapted the customer journey, LTV assumptions, and automations to the local market.

As an Executive Lecturer at ISC Paris, I teach applied AI and analytics on the MSc in Marketing. I also ran BI and automation for three organisations in parallel at MJ Metrix, reducing process time by 30% and costs by 25%.

Experience

Work history, roles, and key accomplishments

IP
Current

Executive Lecturer

ISC Paris

Jun 2025 - Present (1 year 5 months)

Teach applied AI and analytics on the MSc in Marketing at ISC Paris, a top-150 school in the QS Global World University Rankings.

MM

Data and AI Consultant

MJ Metrix

Jul 2026 - Oct 2026 (3 months)

Ran BI and automation for three organisations in parallel, achieving a 30% reduction in process time and 25% cost savings. Validated data before decisions were made.

Education

Degrees, certifications, and relevant coursework

Mines Paris PSL logoMP

Mines Paris PSL

Diploma, Data Science

2025 -

Pursuing a Diploma in Data Science covering statistics, machine learning, and language models, expected to complete in November 2026.

ISC Paris logoIP

ISC Paris

Master in Management, Management

2010 - 2013

Activities and societies: Exchange at Universidad Autónoma de Chile, 2012.

Earned a Master in Management with a double degree in Digital Marketing and Information Systems Management, including an exchange at Universidad Autónoma de Chile in 2012.

CNED logoCN

CNED

BTS, Business and Marketing Management

2008 - 2010

Completed a BTS in Business and Marketing Management, a Higher Technical Degree representing the first two years of the degree path.

CNED logoCN

CNED

Baccalauréat, Management and Marketing

2008 - 2008

Earned the French Baccalauréat in Management and Marketing, a secondary-school leaving certificate.

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