Guilhem De Wykerslooth De Rooyesteyn Email & Phone Number

Versailles, Fr

Ville De Paris, Île-De-France, France

Managed 4 key clients with a 5-10% increase in conversion CTR and improved Google SERP position by 5-10 places in the top 20:Auchan PEE: Increased website visibility and traffic volume by 2x in 3 quarters and created SEO-optimized content using Python and AI, reducing from €150 to €0.5 per content unit.Auchan PEE: By optimizing brand visibility, we avoided multi-million euro financial risks (NDA) by reaching the energy bonus registration quota and maintaining the gap with major competitors.Baccarat: Increased revenue (NDA) and position of the brand's website pages and its key products, by solving technical issues on the site.Dassault Systèmes: development of a 2-year editorial and content strategy (2025-2026) through the completion of a semantic study of one million keywords.L'Oréal: Contribution to the increase of the budget of one of the group's departments through a keyword study on all markets for the Azzaro/Diesel/Cacharel product range on Google, Amazon, Pinterest and TikTok via the Helium 10 & Trajaan platforms.Key tools used: technical and semantic audits, recommendations and implementation of quick wins to improve the health and ranking of the agency's clients' site, editorial management and content writing. Management of popularity campaigns (Link Building).About the company: Resoneo is a French digital marketing agency, specialized in SEO, SEA, social ads, data analytics. The agency offers tailor-made strategies to improve online visibility, traffic acquisition and performance on different digital channels. Resoneo emphasizes a human-centric approach, transparency and trust, fostering a collaborative environment for customers and employees.

Wilmington, Delaware, United States

Contract in progress. (NDA)Key instruments used: Google Search Console, Sistrix, Ahrefs, GA4, Screaming Frog...Responsibilities: - Website diagnosis thanks to an in-depth technical audit, with resolution of blocking points to improve indexing and user experience.- Study of keywords and competition to develop an editorial strategy, increasing organic impressions and clicks.- Implementation of a sales funnel based on the site's high-performance pages to guide visitors towards conversion. Creation of lead-magnets adapted to different profiles of consumers and potential leads.- Optimization of text CTAs to increase user engagement and maximize conversion rates.- Implementation of an SEO plan and selection of KPIs to follow.- Creation of media content for the blog, integrating advanced semantic optimization to improve natural referencing.About the company: Hideez is a cybersecurity company specializing in identity and access management solutions for enterprises. Their offerings include passwordless authentication services, hardware security keys, and mobile authenticator applications designed to enhance security and streamline user access. Hideez's solutions integrate with existing infrastructure, supporting protocols like FIDO2 and SAML 2.0, and are compatible with platforms such as Active Directory and Azure AD. By providing tools for passwordless single sign-on (SSO), multifactor authentication (MFA), and proximity-based PC access, Hideez aims to protect organizations from phishing attacks and unauthorized access, thereby improving overall security and user experience.

Paris, Île-De-France, France

(SEO Hackathon: 3-month challenge)Results:- Challenge between 4 French cities, each composed of 4 teams. 4 customer cases = 1 team from each city in competition. - 1st position at the national level on the assigned customer case: Dormeur.com- Additional ranking on the scores obtained: 3rd position at the national level. 2nd position at the city level (Paris).Key instruments used: SemRush ; Screaming Frog ; Majestics ; Ahrefs ; Google Analytics 4 ; Google Search Console ; Google Tag Manager ; YourTextGuru...Missions:- Work on practical cases of real companies (analysis and recommendations)- Semantic audit (blog and e-commerce)- Popularity, content strategy and off-site SEO- Technical audit (crawl, pagination, txt robots, urls, tags, netlinking, performance, etc.)- Pitch in front of professional SEO jury and a real client – founderAbout the company: Oreegami is a French educational organization specializing in training individuals for careers in digital marketing, data analysis, and artificial intelligence. Established in 2018, it offers comprehensive programs that combine theoretical knowledge with practical experience, including boot camps and apprenticeships. Oreegami emphasizes accessibility and inclusivity, providing free training to diverse profiles, including those undergoing career transitions. The organization collaborates with over 450 companies, facilitating employment opportunities for its graduates in roles such as growth marketers, SEO consultants, and data analysts.

Paris, Île-De-France, France

Consulting and support to prepare the start of the company's activity.Responsibilities:- Management of the brand image; - Determination of influence groups and lead generation; - Traffic performances;About the company: TeaDAO is an NFT-Fi service provider that revolutionizes the digital collectibles market through its native token, $TEA. The platform offers innovative services, including Sentry, NFT bonding, NFT portfolio tracking, AI-assisted NFT suggestions, and an AI-driven valuation tool. These tools empower users to analyze, value, and engage with the GameFi ecosystem. By holding $TEA tokens, users gain access to these services and participate in governance decisions, actively contributing to the development and improvement of the NFT-Fi market.

Versailles, Île-De-France, France

Gap ContractResults: More than 30 private events held within the two establishments (between Q4 and Q1) and 75 others planned throughout the year, taking into account seasonality in terms of demand.Key instruments used: french plateforms -1001 salles ; reserver un bar.Responsibilities:• Manage the different staff of two establishments• Supervise the activity of the two bar/restaurants• Build customer loyalty (regular consumers and tourists) + CRM• Build a commercial and marketing strategy (SMM)• Ensure customer satisfaction• Order products• Carry out an administrative follow-up of the staff• Carry out a commercial and marketing follow-up• Staff recruitment• Staff training to specific technical procedures• Stock managementAbout the company : Craft Beer Lab is a bar located in Versailles, France, specializing in craft beers. It offers a diverse selection of draft and bottled beers from local and international breweries. The establishment also serves generous platters of regional charcuterie and cheeses to complement the beverages. The bar features an 18th-century vaulted cellar, ideal for hosting private events such as birthdays or gatherings with friends. Amenities like karaoke and sound systems are available to enhance the experience.

Kyiv City, Ukraine

More than 50 articles have been written for different industries (crypto, recruitment, sport, real estate, plumbing, luxury, perfumes, martial arts, security...)Personal results: I doubled my rates and orders from the platform for different French clients. I managed to deliver each content in 3 days instead of 5 days included in my previous rates.About the company: Jooble is a global job search engine that aggregates job postings from over 140,000 sources, including corporate websites, social networks, and classifieds. Founded in 2006 in Kyiv, Ukraine, Jooble operates in 67 countries and is available in 25 languages, serving as a comprehensive platform for jobseekers worldwide. The company partners with major platforms like LinkedIn and Google to enhance its services. Jooble's mission is to simplify the job search process by providing a single platform where users can access a vast array of job opportunities.

St Petersburg, St Petersburg City, Russia

(1 year contract)Results: - Boosted # of platform active users by 55% (to 2.1k), with a 170% rise (eq. to $3.57 mln volume) in crypto transactions. - Increased site traffic and visibility by 30% by: . Budget: Managed a $60k online campaign over 10 days on YouTube, X (Twitter), Telegram, and with an influencer (video, tweets, banners, articles). . Established partnerships with key players, including investors, opinion leaders, and media. (backlinks: HackerNoon, CoinTelegraph).- Increased the average value of cryptocurrency by 27.2% on long term process ($0.134542 to $0.171118) by launching a global influencer strategy (USA, China, Turkey, France, South Korea).Key instruments used: Multiple analytic tools - Twitter (X), Telegram, Reddit, YouTube, Excel media influence ROI simulator.Responsibilities:- CRM and database analytics- Manage the brand image and the development of new commercial strategies- Management of the sales team for financial products and services linked to the blockchain ecosystems of Ethereum, Binance, Avalanche and Polygon- Supervise the sale of financial services/products for the Ethereum, Binance, Avalanche and Polygon ecosystemsAbout the company: Rubic Finance is a decentralized finance (DeFi) platform that functions as a cross-chain aggregator, enabling users to perform token swaps across multiple blockchain networks. By integrating over 200 decentralized exchanges (DEXs) and bridges, Rubic offers access to more than 15,500 tokens across 90+ blockchains, facilitating seamless on-chain and cross-chain swaps in a single click.

Moscow, Moscow City, Russia

(1 year contract)Results: I contributed to implement a content strategy and media article exchanges with partner sites, including backlinks, leading to a 14.29% increase in web traffic, from 1.4 million to 1.6 million visitors over 3 months.Key instruments used: Tracking software - Firebase & Fabric ; Measuring tools - Google Analytics/Yandex MetricaResponsibilities:- Establish positioning, identify target audiences, and develop marketing plans across different channels and segments- Set a media implementation of RB’s activity in sports and gambling in American markets for experimental marketing penetration- Contribute to the organization of promotional events, conferences, and seminars- Reviewing current marketing campaigns for weaknesses and developing solutions within budget constraints- Conducts market research, sales forecasting, and strategic planning to ensure the sale and profitability of products- Forecast volumes of targeted traffic and lead generationAbout the company: Bookmaker Ratings is an online platform that provides comprehensive reviews and ratings of various sports betting companies. Established in 2012, it offers detailed analyses of bookmakers, covering aspects such as reliability, customer service, and betting options. The platform also features expert betting tips, industry news, and a forum for users to discuss and share their experiences. Operating in multiple languages, including English, Russian, and Spanish, Bookmaker Ratings serves as a valuable resource for bettors seeking informed decisions in the sports betting industry.

Paris, Île-De-France, France

(6 months internship)Results: I contributed to rise up brand visibility of Pullman Hotels & Resorts by 22% of traffic via media & video campaigns. (Wallpaper*, GQ, YouTube)Responsibilities:- Management of the brand image of a portfolio of 8 luxury hotel brands- Advertising and media: Lead the execution of marketing programs from start to finish, leveraging internal support and driving collaboration; administer the briefs and make recommendations- Brand programs: Strategy and management – Ensuring campaigns launch- Media partnerships: Define audience goals – Define and manage media plans- Benchmark: Competitive intelligence – analyzing marketing and competitor’s dataWork with support Agencies and partners: BETC; BETC Design; Dentsu Aegis; GQ; Wallpaper*; Ming Fai; Co-Bigelow; Design Patin-Couffin; Elle Deco (EDIDA - Elle Deco International Design Awards); Lagardère Active; Condé Nast; HavasI worked for the next brands: AccorHotels; Sofitel Hotels and Resorts; MGallery Hotel Collection; Pullman Hotels and resorts; Swissôtel Hotels and ResortsAbout the company: Accor is a leading global hospitality group headquartered in France, operating in the hotel and tourism industry. With a diverse portfolio of over 5,100 hotels across more than 100 countries, Accor offers a wide range of accommodations, from luxury to economy, under brands such as Sofitel, Novotel, Mercure, and Ibis. The group is committed to delivering exceptional guest experiences and has implemented the ALL - Accor Live Limitless loyalty program, providing members with exclusive benefits and rewards. Accor also emphasizes sustainability and innovation, aiming to shape the future of hospitality through responsible practices and cutting-edge services.

St Petersburg, St Petersburg City, Russia

(7 months internship)Results: I increased the click rate on an email campaign by 18%, during an entire quarter, to promote the store's e-commerce products, but also event campaigns organized for customers and VIPs.Key instruments used: Internal email-marketing software with sales funnel optimization, Similarweb for web traffic analysis of competitors, Google Analytics.Responsibilities:- Improve the operational and communication strategies to attract more foreign customers.- Analyze marketing strategies per sales period (each semester)- Make a monthly report about retail shop positioning using Google Analytics and SimilarWeb- Contribute to event planning and make recommendations for corporate events - Set up email marketing campaigns to entice consumers to come and buy productsAbout the company: TSUM is a prestigious department store located in Moscow, Russia, renowned for its extensive selection of luxury fashion, accessories, jewelry, and cosmetics. Established over a century ago, it has become a landmark in Moscow's retail landscape. TSUM offers products from over 700 leading global brands, including clothing, shoes, bags, fine jewelry, timepieces, perfumes, and cosmetics. The store provides personalized services such as VIP shopping lounges and professional stylist consultations, catering to discerning customers seeking high-end products and exceptional service.

Vélizy-Villacoublay, Île-De-France, France

(3 years student job)Results: I achieved a turnover of at least €2000 per month, selling smartphones, laptops, tvs, printers...Responsibilities:- Sales and consulting (2 years)- Logistics (1 year)About the company: Auchan Retail is a French multinational retail group operating in the food and non-food sectors. It offers a variety of products and services through multiple formats, including hypermarkets, supermarkets, and convenience stores, as well as digital platforms. With over 2,100 points of sale worldwide, Auchan Retail aims to make healthy, environmentally friendly, and desirable products accessible to the largest number of people.

Paris, Île-De-France, France

(3 months internship)Results: Over the past 3 months, I have successfully sold 10 industrial software licenses to new B2B clients. Each license provides advanced solutions for automated diagnosis and recommendations to address production errors in factory machinery, specifically designed for high-volume mass production environments.Responsibilities: - Product redesign: Segmentation of offers, options and proposed timing for task execution.- Digital web design: Company’s website update, to make it more attractive.- Sales optimization: Prospecting for new potential customers- Market research: Competitive intelligence, market volume. - Press release: Writing articles for media focused on technology and innovation.About the company: OptimProcess was a French startup specializing in data analysis software for industrial applications. Its suite of tools enabled companies to enhance manufacturing processes by providing automatic diagnostics and recommendations to address production errors in factory machinery, particularly in high-volume mass production environments. In 2017, OptimProcess was acquired by BearingPoint, a management and technology consulting firm, to strengthen its Industry 4.0 strategy and expand its data analysis capabilities for industrial performance.

Paris, Île-De-France, France

(3 months internship)Results: I sold professional and consumer cameras for a turnover of €5000 during the Christmas period.Responsibilities: Sales & ConsultingAbout the company: FNAC is a French multinational retail chain specializing in the distribution of cultural and electronic products. It offers a wide range of items, including books, music, films, electronics, and household appliances. Operating in the retail sector, FNAC focuses on cultural goods, leisure items, technical products, and related services. In 2016, it merged with DARTY to form the Fnac Darty group, becoming a leader in omnichannel distribution in Europe.

Master'S Degree, Marketing

Activities and Societies: International Management Supply Chain Brand Content

Bachelor Digital Marketing And Online Advertising Manager, Project Management

Activities and Societies: Digital media plan Digital marketing strategy Online advertising campaign Project ManagementManage a project.

Professional Certificate - Seo & Digital Marketing Skills Validation, Digital Marketing

Activities and Societies: Semantic analysis Structured Data Crawl & Indexing operation Internal mesh & Tree structure SEO & E-commerce Web.

Master'S Degree, International Marketing

Activities and Societies: Competitive intelligence Marketing study Strategy & innovation Brand image & communication Basics of Digital.

Exchange, International Marketing

Activities and Societies:Higher School of Economics (Saint-Pétersbourg) University exchange (2 semesters) - Expatriation Marketing.

Baccalauréat Littéraire, Literature