Gonzague Siac

Digital Marketing Specialist

Paris, Île-de-France, France1 yr 11 mos experience

Key Highlights

Data-driven marketing professional with four years of experience.
Expert in optimizing advertising strategies for clients.
Proven track record in driving sustainable growth.

Stackforce AI infers this person is a Digital Marketing and Analytics expert in the MarTech industry.

Contact

Skills

Core Skills

Digital MarketingData AnalysisBusiness Development

Other Skills

MartechAdtechDigital Marketing MediaProject ManagementAnalyticsCROMMMAdvanced segmentationDigital StrategyAnalytical SkillsCommerceStatisticsData StrategiesProject PlanningConsulting

About

Data-driven marketing & analytics professional with over four years’ experience. I began my career in data marketing consulting, and today I’m a Data Analyst at Google (gTech Ads), where I support a portfolio of French clients by analysing their performance data and uncovering growth opportunities — nationally and internationally. My work helps clients optimise their advertising strategies and drive sustainable growth with Google.

Experience

1 yr 11 mos

Total Experience

1 yr 11 mos

Average Tenure

Current Experience

Google

Digital Marketing Strategist

Apr 2025 – Present · 1 yr

Acting as a strategic growth partner, leveraging deep customer insights and the full suite of Customer Success Acceleration (CSA) solutions to unlock scalable impact across the portfolio and ensure €XXM revenue per quarter
Driving cross-team collaboration with Account Managers and Account Executives to define and execute the most effective media & measurement strategies tailored to each client’s unique business needs
Applying deep market, industry, and product expertise to proactively identify client challenges and come up with high-impact solutions aligned with their strategic objectives

Business DevelopmentMartechAdtechDigital Marketing MediaData AnalysisProject Management+1

Fifty-five

2 roles

Senior Data Science Consultant

Promoted

Jan 2024 – Mar 2025 · 1 yr 2 mos · Paris, Île-de-France, France

Customer relationship & Business Development: built strong relationships with mid-market and large customers by coordinating cross-team collaboration to ensure high-quality deliverables and project outcomes, while uncovering new business opportunities
Analytics : enhanced digital customer journey measurement for lead-gen and e-commerce clients, enabling data-driven decision-making and improving performance
CRO : developed and implemented digital experimentation roadmaps, leading to better conversion rates and optimised user experiences
MMM : oversaw a Marketing Mix Modelling project, delivering actionable insights to C-level stakeholders on the effectiveness of on and offline marketing levers on business performance.
Modeling techniques used : Agent-Based Modelling, Bayesian methods (Google's Meridian)
Advanced segmentation : created statistically significant marketing personas using both on and offline data, enabling more targeted and effective marketing campaigns

Digital MarketingMartechAnalyticsCROMMMAdvanced segmentation+1

Data & Digital Analytics Consultant

Feb 2022 – Jan 2024 · 1 yr 11 mos · Paris, Île-de-France, France

Digital StrategyAnalytical SkillsData Analysis

Amazon

Product Manager & Digital Marketing Intern

Jul 2021 – Feb 2022 · 7 mos · Ville de Paris, Île-de-France, France · On-site

Participated in the preparation of the Christmas store and period more generally resulting in providing the best possible customer experience (volunteered to be one of the 4 ‘French champions’ to work on the Christmas CX).
Collaborated with Amazon vendors to help them optimize their product exposure and merchandising strategy, therefore driving revenues from the placements booked.
Conducted an analysis in collaboration with marketing managers from other European countries on the identification of new/enhanced marketing actions for 2022 to offer to our vendors.

Idecsi

Account Manager

Jan 2020 – Jul 2020 · 6 mos · Paris 08, Île-de-France, France

Engaged daily in commercial negotiations with prospective companies and clients. Helped the company to finalize deals as well as to realize upsells. My actions have contributed to a 10% increase in turnover in 2020.
Re-organized the CRM enhancing analytic efficiency, ended up creating pivot-charts and suggesting weekly automated reports displaying the relevant KPIs, enabling us to make data-driven decisions.

CommerceBusiness Development

Onefinestay

Client Success / Marketing Intern

Jun 2015 – Jul 2015 · 1 mo · Région de Paris, France

Establishment of the brand on new renowned marketplaces such as Homelidays or Abritel resulting in higher visibility and consumer reach.
Participated in the organization of a marketing event dedicated to One Fine Stay partners (apartment/villas owners) aiming to enhance their attachment to the company and spread the word-of-mouth
Along with the Client Success team, I handled clients’ issues to ensure a better customer experience during their stay in the company’s apartments/villas in Paris (problems with maids, any dysfunction, or simply concierge services)