About Dennis
French
Native or bilingual
English
Fluent
Experience
- MarfoAgencyPersonalized AI Video Outreach CampaignDIGITAL AND ITJuly 2025 - July 2025Strasbourg, Franceđ Client Problem:The sales team had an inefficient manual prospecting process with a very low response rate:Sending generic emails â <3% response rateAverage time per personalized video: 20 minutes (writing, recording, sending)Goal not met of 5 videos/day/person â 70% of leads not processedNo system to adapt the message to the target website or automatically capture video previewsđ Solution:Deployment of an automated n8n workflow that generates and sends ultra-personalized prospecting videos from a simple Airtable link containing the target website URL.Technical achievements:âą Intelligent summary of website content with Claude AI â Savings: -100% of prior manual researchâą Video script automatically generated by AI according to commercial guidelines â Savings: 20 minutes saved per videoâą Dynamic creation of a video scroll-shot of the target site (via ScreenshotOne API) â Savings: +80% visual engagementâą Voice generation via ElevenLabs + integration into a personalized animated video (Creatomate) â Savings: 100% automated process, 1 click = 1 ready videoâą Automatic sending of a stylized email with CTA to Calendly, professional signature, and integrated tracking â Savings: +65% open rate, +28% click rateđŻ Overall Impact:ROI: 580% in 3 months | Time saved: 40h/month | Savings: âŹ12,000/year
- JetMovingWorkflow Automation âïž - AI Agent đ€ - N8n đ - Voice Agent - ChatbotLOGISTICS AND SUPPLY CHAINJune 2025 - July 2025 (1 month)Longueuil, Canadađ Client Problem:The quote creation process for moving requests was entirely manual, time-consuming, and prone to errors:An average of 35 minutes per quote was required (data entry, calculations, formatting, sending)Over 150 quotes/month generated an estimated human cost of +85 hours monthlyCalculation errors (time, cost, distance estimates) occurred in 15% of cases, leading to costly adjustments or lost salesNo structured follow-up or quote history was centralized, hindering sales follow-up and analysisđ Solution:Implementation of a 100% automated quote generator via n8n, connected to Google Maps, Google Docs, Sheets, Gmail APIs, and a GPT-4o AI model for intelligent interpretation of client requests.Technical achievements:âą Intelligent parsing of forms via webhook + GPT to format client requests â Savings: -100% data entry errorsâą Google Maps integration for automatic calculation of distance + travel costs â Savings: 10 min/quote, +12h/monthâą Generative AI (LangChain + OpenAI) to extract, calculate, and structure a quote JSON from natural language messages â Savings: -85% of manual processing timeâą Automatic PDF quote generation on Google Docs from a dynamic template â Savings: -90% writing timeâą Automatic sending of quotes by email + structured saving in Google Sheets â Savings: +100% traceability & easier follow-upâą Validation and intelligent recalculation of amounts with encapsulated business logic (floor/access adjustments, time per item, labor threshold) â Savings: -100% pricing errorsđŻ Overall Impact:ROI: 430% in 6 months | Time saved: 75 hours/month | Savings: âŹ18,000/year
- Viehe IndustrieSales Route Optimization for Viehe IndustrieAUTOMOBILEApril 2025 - July 2025 (3 months)Strasbourg, Franceđ Client Problem:Viehe Industrie Solutions, a B2B supplier in the automotive, artisanal, and industrial sectors, faced manual and inefficient management of its sales routes. Sales representatives spent an average of 15 hours per week planning visits via Excel, with unbalanced geographic coverage and inconsistent daily visit rates (from 5 to 25 clients). This inaccuracy led to decreased field performance, a 35% non-visit rate on priority clients, and an estimated annual revenue loss of up to âŹ12,000 due to poor prioritization.đ Solution:We designed a custom n8n workflow connecting Google Sheets, Google Maps API, and an intelligent geographic clustering and distribution engine to automate monthly route planning based on zones, client revenue, and geographic proximity.Technical achievements:âą Dynamic connection to Google Sheets for reading client data â Savings: 100% automation / 780h saved/yearâą Filtering of authorized postal codes and Google Maps geocoding of addresses â Savings: 90% reduction in address errors / +8h/weekâą Clustering into 20 zones + priority calculations based on client revenue & visit frequency â Savings: +40% field coverage / 260% ROI in 6 monthsâą Balanced planning of visits per week and day (15 visits max/day spread over 4 weeks) â Savings: Optimized travel time, -35% distance traveledâą Automatic writing into 4 weekly Google Sheets â Savings: Complete elimination of manual exports / +320h/year freed up for the sales teamđŻ Overall Impact:ROI: 260% in 6 months | Time saved: 65h/month | Savings: âŹ18,500/year
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Education
- DCG Diploma in Accounting and ManagementCentre Europe2011
- Web DeveloperOpenClassrooms2021
Skill set
Categories
- Other