Leading diverse AI projects, enhancing expertise in machine learning and system integration:◆ Franc: LLM-based endurance coaching tool- Fine-tuned Llama 2 and enhanced with RAG for personalized endurance coaching◆ dionysus.mobi: AI-enabled fitness activity platform- Developed platform for defining, tracking, and enhancing fitness activities◆ unpack.fitness: Analytics-driven fitness interpretation- Combined analytics with LLM-based text generation for actionable fitness insights◆ everymind.ai: AI-integrated reasoning framework- Integrated historical figures using AI for extended, out-of-period collaboration

During a focused sabbatical, I explored entrepreneurial opportunities and deepened my understanding of artificial intelligence. This period was characterized by:◆ AI Research and Education: Invested in a comprehensive self-study program exploring various aspects of AI, including Large Language Models (LLMs). Participated in online courses and seminars, gaining a well-rounded understanding of current AI methodologies and technologies.◆ Personal Growth: This sabbatical served as a reflective and transformative time, aligning my professional goals with my passions for technology, innovation, and AI. It strengthened my technical expertise and ignited a new sense of purpose and direction in my career.

CTO for a Boulder-based start-up, with all responsibilities of a Principal Software Architect.CTO responsibilities:◆ Set a vision for applying technology to the company’s core mission.◆ Ensure that technological resources meet the company’s short- and long-term needs. (Server infrastructure; DevOps; front-end delivery channels; third-party integrations)◆ Create timelines for the development and deployment of all software solutions.◆ Make executive decisions on behalf of the company on all matters related to technology.◆ Manage technology budgets and seek to keep fixed expenses at an optimal level.◆ Liaise with technology vendors and external contractors to achieve tactical objectives.◆ Stay on top of technology trends to minimize obsolescence and ensure product-market fit.◆ Engage in research and development to discover new opportunities and explore market trends.◆ Member of the board of directors.Other responsibilities:◆ In-house software development.◆ Documentation of software products.◆ Documentation and planning of QA processes.◆ Maintenance and renewal of server infrastructure.◆ Performance and scalability management and monitoring.Skills acquired or developed:REST Services (PHP, Laravel, MySQL / MariaDB / PostgreSQL, Rails, JSON API, JSON Web Token / JWT), Ruby on Rails w/ Sidekiq background processing, JavaScript / UJS, HTML / CSS, HAProxy load balancing, DigitalOcean w/ Spaces (S3-compatible object storage), Ubuntu Linux administration and maintenance, Shopify APIs, various third-party integrations with HubSpot, Shopify, Fitbit, Garmin, Strava, Apple.

Lead all software development for Kronos, a brand new platform based on AI/ML, linear, nonlinear, and mixed-integer optimization.◆ Develop a system that puts endurance coaches at the center of an AI/ML/Operations Research platform, while streamlining their tasks for increased efficiency and productivity.◆ Develop back-end infrastructure for Run With Hal (https://www.runwithhal.com)Skills acquired or developed:Machine Learning (Python, scikit-learn, NumPy, SciPy, matplotlib and R), Statistical Modeling, REST Services (PHP, Slim 3, MariaDB, JSON API, JSON Web Token / JWT), Constraint Satisfaction Programming

Harnessing the power of AI, Machine Learning, Mathematical Optimization and Operations Research to assist endurance athletes in their quest for excellence.◆ Design and develop: - Insight Stream, a pattern recognition and trend detection app allowing coaches to assess the needs of their athletes. - https://happyrunner.ai/, a R&D prototype aimed at exploring the concepts around adaptive endurance training.◆ Create a Machine Learning model forecasting marathon finish times with a 12-minute MAE in the general population.Skills acquired or developed:Machine Learning (Python, scikit-learn, NumPy, SciPy, matplotlib and R), Statistical Modeling, REST Services (PHP, Slim 3, MariaDB, JSON API, JSON Web Token / JWT), Linear Programming

◆ Design and develop back-end software and UI/UX components.◆ Craft experiments that yield accurate, actionable information.◆ Take part in all aspects of product development by providing insights derived from exacting market research.◆ Product Owner◆ Applied Research Engineer◆ Develop TrainingPeaks’ new Web app◆ Create and develop NGP2, an improved version of Normalized Graded Pace◆ Co-create The Pacing Project (https://www.pacecalculator.com)◆ Design and develop TrainingPeaks’ Structured WorkoutsProjects:TrainingPeaks Web app, NGP2, The Pacing Project, Course Profiling with Elevation Correction and Map Matching, Novel Method for Filtering Elevation Data, Framework for the Creation and Delivery of Structured WorkoutsSkills acquired or developed:React/Flux, Backbone.js, Marionette.js, RequireJS, Handlebars, HTML5, CSS/Sass, Underscore/Lo-Dash, Mocha/Sinon.JS, Selenium, Moment.js, Leaflet, Flot, Grunt, jQuery, ASP.NET MVC, C#, .NET, Moq, NUnit, ValueInjecter, Dapper/NHibernate, Microsoft SQL Server, MongoDB, Elasticsearch, PHP, Highcharts, Data Visualization, Analytics, Mathematical Modeling, Human Logistics Optimization, Data Science, Machine Learning

Enterprise Application Integration (EAI), with a focus on distributed systems, message-oriented middleware, high-throughput / low-latency communication systems.◆ Contribute to the development of TIBCO Rendezvous, TIBCO EMS, and TIBCO FTL.◆ Develop systems management and monitoring software for numerous distributed platforms.◆ Develop system-level components for TIBCO Rendezvous, TIBCO EMS, and TIBCO FTL platforms.◆ Develop APIs for administration and monitoring of real-time message-oriented middleware.◆ Develop network monitoring appliance software for passive introspection of EAI-generated traffic.◆ Develop PKI certificate management system for securing access to server components.◆ Engineer and communicate deployment architectures of EAI projects.◆ Provide consulting services on performance optimization of event-driven information systems.◆ Participate in development of and validate TIBCO's Technical Certification Program.◆ Lead teams of 2-5 individuals.Skills acquired or developed:Network Programming, ANSI C, POSIX / Pthreads, Java, .NET (C#), OpenSSL (SSL, TLS), Web Technologies (HTML, XML, XSLT, JavaScript, jQuery, MySQL), JNDI, LDAP, Architecture of Real-Time Information Systems, Project Management, Low-Latency Distributed Systems

Enterprise Application Integration (EAI), with a focus on fault-tolerant distributed systems.◆ Manage technical relations with 3 major IONA customers. (Fortune 100)◆ Review, validate and communicate product release schedules.◆ Coordinate and manage technical activities with Product Development, Professional Services, and Support engineers and managers.◆ Define and prioritize product maintenance schedules.◆ Help establish policies and procedures for resolution of critical support issues.◆ Facilitate communication between IONA Sales and Engineering organizations.◆ Identify and specify product and consulting opportunities.Skills acquired or developed:ANSI C, Java, CORBA Programming, Technical Account Management, Project Management, Customer Relations

First introduction to distributed systems and publish/subscribe message-oriented middleware. Message-bus architecture applied to financial transactions processing.◆ As a member of State Street's System Analysis and Testing department, improve communications with IT department, and design testing plans.◆ Within IT department, contribute to State Street's core accounting systems maintenance. Analyze data requirements, mainframe processes, and desired enhancements. Organize planning and status reviews.◆ Coordinate the deployment of RAS Enterprise application (a single sign-on system). Analyze existing business processes, create new procedures, and report to Project Management Director. Design and administer project implementation intranet site.◆ As a member of Global Systems Support, participate in daily management of two enterprise projects. Design and implement intranet-based user requirements definition system.Skills acquired or developed:Java, Perl, PHP, PL/I, Web Applications Development, IT Project Management, Enterprise Application Security

Co-founder of the first Internet Services Provider (ISP) in the South of France, and one of the first Internet Access Providers (IAP) in France.◆ Co-create and develop Sunrise Innovation.◆ Establish a medium-sized Internet Service Provider NOC and geographic POPs.◆ Advise and assist customers with configuration and installation issues.◆ Co-manage NOC.◆ Design and develop Web sites and e-commerce applications.Skills acquired or developed:Business Administration & Development, Web Applications Development (Perl, C, Java, PHP, HTML, CSS, SQL), System Administration (Solaris, Windows, Linux), Network Management