Data Science Manager · Co-founder · iOS Developer

Toni Marence

Data Science Manager at Boehringer Ingelheim and co-founder of ABTM Projects GmbH, the company behind the oClub sports app. I combine forecasting and machine learning with hands-on product engineering, from Swift and SwiftUI apps to Python backends.

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Toni Marence

Experience

  1. Apr 2026 – Present

    Co-founder & Managing Director · Technical Lead

    ABTM Projects GmbH — oClub

    • Co-founded the company and run it as managing director: strategy, product roadmap, and partnerships with sports clubs and venues
    • Built and shipped oClub Sports (SwiftUI) for iPhone and iPad: 750+ registered users in 200+ clubs and groups; chat, club management, court booking with payment, and courses
    • Designed and operate the full platform: Flask/Python, PostgreSQL with pgvector, REST APIs, Redis, Celery, and Docker on a self-managed VPS
    • Implemented matchmaking, capacity scheduling, and geo discovery; built AI tooling (MCP servers) for club outreach and project management
  2. Aug 2024 – Present

    Data Science Manager

    Boehringer Ingelheim RCV GmbH & Co KG

    • Leading data science programs that pair forecasting ML with market analysis, resilient pipelines, data quality, and integrated commercial datasets
    • Applying conversational AI with RAG, semantic search on unstructured text, and MCP-style tool exposure for LLM-driven workflows
    • Collaborating with global teams to standardize reporting and translate analytics into strategic insight
  3. Aug 2022 – Dec 2025

    Co-founder & Tech Lead

    EP Checkup GmbH

    • Co-founded a healthcare startup and led strategy, architecture, and delivery for a platform connecting hospital staff with patients' relatives
    • Designed multi-modal messaging (voice with transcription/translation, media sharing, and forms) so care teams could work outside chat channels
    • Owned end-to-end security with authenticated encryption and X3DH-style key agreement, delivering forward secrecy and mutual authentication
  4. Jan 2022 – Jul 2024

    Forecasting and Data Analytics Specialist

    Boehringer Ingelheim RCV GmbH & Co KG

    • Monitored forecasts, resolved exceptions and improved forecast accuracy
    • Kept sell-out, sell-in, supply and stock data consistent as the basis for planning
    • Ran training sessions and aligned reporting with global teams
  5. Jul – Aug 2021

    Intern

    Boehringer Ingelheim RCV GmbH & Co KG

    • Developed dashboards for monthly sell-out and sell-in monitoring
    • Analyzed stock development at product level by units and months
    • Designed concepts for automated order handling aligned with forecasts and backlog monitoring
  6. Dec 2018 – Dec 2021

    Student Trainee

    Siemens Mobility GmbH

    • Worked across disciplines to pinpoint issues and apply proportionate analytical solutions for quality, logistics, and incident follow-up
    • Implemented automated monitoring and reporting for technical KPIs used in progress reviews
    • Consolidated cross-discipline data in centralized tools for faster operational visibility
  7. Jun 2015 – Present

    iOS App Developer

    Self-employed

    • Building and shipping my own iOS apps since 2015 in Swift and SwiftUI, with widgets, HealthKit, Screen Time and iCloud sync
    • Published four apps of my own on the App Store, from idea and design to release and support
  8. 2014 – 2017

    Earlier internships

    ANDRITZ HYDRO · Pöyry Energy · TU Delft

    • ANDRITZ HYDRO GmbH (2017): evaluated and compared turbines and generators against order specifications and final plant documentation
    • Pöyry Energy GmbH (2016): created 3D models and detailed plans for hydropower projects; evaluated measurement data
    • TU Delft, Ship Hydromechanics & Structures (2014): ran behavioral simulations of ship hulls in the towing tank
  9. 2014 – 2021

    Student trainee and internships

    • Siemens Mobility GmbH, Student Trainee (2018 – 2021): automated monitoring and reporting for technical KPIs; consolidated cross-discipline data for quality, logistics, and incident follow-up
    • Boehringer Ingelheim RCV, Intern (2021): dashboards for sell-out and sell-in monitoring; concepts for automated order handling
    • Internships at ANDRITZ HYDRO (2017), Pöyry Energy (2016) and TU Delft (2014): turbine and generator evaluation, 3D models and plans for hydropower projects, ship hull simulations in the towing tank

Apps

  • oClub SportsSports community: people, clubs, courts and courses
  • Rytmo Habit TrackerHabit tracker with Apple Health, Screen Time and widgets
  • QuickMathDaily mental math practice with goals and statistics
  • DailyPhraseLanguage learning, one phrase a day
  • TurbineMatchHydropower calculator with turbine selection