# Mentoring, Speaking & Judging > Explore Mario Caesar's mentoring, speaking, judging, and teaching work across data engineering, analytics, Python, and technology communities. Canonical page: https://caesarmar.io/mentoring-speaking ## Technical Judge, Garuda Hacks 7.0 - Health Track Jul 2026 | Garuda Hacks | Technical Judge | Offline Reviewed Health-track projects for implementation quality, architecture, data flow, and AI assumptions, while considering product relevance and responsible use. Topics: Judging, Health Innovation, System Architecture, Data Flow, Responsible AI [Organizer](https://www.linkedin.com/company/garudahacks/) [Source 1](https://www.linkedin.com/posts/caesarmario_judging-health-innovation-at-garuda-hacks-activity-7484435379622969346-0HH7) ## Judge, PIXEL USM 2026 Jun 2026 | PIXEL USM / Universiti Sains Malaysia | Judge | Online Reviewed student projects for PIXEL USM 2026, focusing on problem framing, solution clarity, real-world relevance, and how well teams communicated their ideas. Topics: Judging, Student Projects, Problem Framing, Innovation, Technical Communication [Organizer](https://www.usm.my/) [Source 1](https://www.linkedin.com/posts/caesarmario_certificate-of-appreciation-from-pixel-usm-activity-7476080546503188480-3Ch8) ## Preliminary Round Judge, Varsity Hackathon USM 2026 May 2026 | Varsity Hackathon USM / Universiti Sains Malaysia | Preliminary Round Judge | Online Reviewed preliminary-round submissions for problem definition, technical decisions, solution structure, and the trade-offs behind each approach. Topics: Judging, Hackathons, Problem Solving, Technical Decisions, Data Engineering [Organizer](https://vhackusm.com/) [Source 1](https://www.linkedin.com/posts/caesarmario_certificate-of-appreciation-varsity-hackathon-activity-7458014007669551104-bUKi) | [Source 2](https://www.linkedin.com/posts/caesarmario_joining-varsity-hackathon-2026-as-a-preliminary-ugcPost-7437707420463767552-b5co/) ## 3 Days to Start Learning Data Engineering Apr 2026 | Seara Data | Instructor | Online Led a beginner-friendly data engineering workshop covering API extraction, ETL, Python, databases, automation, and end-to-end pipeline thinking. Topics: Data Engineering, API Extraction, ETL, Python, Databases [Organizer](https://www.linkedin.com/company/seara-data/) [Source 1](https://www.linkedin.com/posts/caesarmario_dataengineering-etl-python-activity-7450418986292355072-1evH) | [Source 2](https://www.linkedin.com/posts/caesarmario_kalau-nonton-nicholas-saputra-di-3-hari-untuk-activity-7449263844188811264-9frG) | [Source 3](https://www.linkedin.com/posts/caesarmario_seara-data-mini-course-feedback-ugcPost-7454882440877113344-jH58/) ## Data Engineer: The Career Framework for New Starters Apr 2026 | Seara Data | Instructor | Online Led a free introductory class with Seara Data on the Data Engineer role, day-to-day work, and a practical career framework for beginners. Topics: Data Engineering, Career Framework, Data Careers, Beginner Learning, Seara Data [Organizer](https://www.linkedin.com/company/seara-data/) [Source 1](https://www.linkedin.com/posts/seara-data_searadata-dataengineer-datastrategy-activity-7451109276787453952-5nDQ) ## Microsoft Fabric Instructor, Corporate Training Program Nov 2025 | Hacktiv8 Indonesia | Instructor | Offline Delivered an intermediate Microsoft Fabric corporate training program covering OneLake, Lakehouse, pipelines, Spark notebooks, modeling, DAX, and dashboard design. Topics: Teaching, Microsoft Fabric, Data Engineering, Business Intelligence, Data Modeling [Organizer](https://www.hacktiv8.com/) [Source 1](https://www.linkedin.com/posts/caesarmario_day-1-microsoft-fabric-class-at-hacktiv8-activity-7396147626972340224-CVuk) | [Source 2](https://www.linkedin.com/posts/caesarmario_final-day-fabric-project-showcase-at-hacktiv8-activity-7399786603432321024-NoBH) ## SQL Server Class Co-Assistant, Corporate Training Program Nov 2025 | Hacktiv8 Indonesia | Co-Assistant | Offline Supported a one-day SQL Server corporate training for 51 financial-sector participants through hands-on setup, query practice, and small-group troubleshooting. Topics: Teaching, SQL, SQL Server, Data Analytics, Professional Development [Organizer](https://www.hacktiv8.com/) [Source 1](https://www.linkedin.com/posts/caesarmario_hacktiv8-growwithhacktiv8-corporatetraining-activity-7407970502817787923-Q9nn) ## Judge, ISFEST UMN 2025 Data Competition Final Oct 2025 | ISFEST UMN / HIMSI UMN | Judge | Offline Judged ISFEST UMN 2025 Data Competition finalists on problem framing, analysis, modeling quality, evaluation, and recommendation clarity. Topics: Judging, Data Science, Machine Learning, Model Evaluation, Professional Development [Organizer](https://www.instagram.com/isfest_umn/) [Source 1](https://www.linkedin.com/posts/caesarmario_isfest-umn-2025-data-competition-final-activity-7380085510439960576-RdhV) ## Data Analytics Instructor, Corporate Training Program Aug 2025 - Sep 2025 | Hacktiv8 Indonesia | Instructor | Offline Delivered a corporate data analytics program covering analytics foundations, governance, SQL, Python, BI dashboards, mini projects, and final case studies. Topics: Teaching, Data Analytics, SQL, Python, Business Intelligence [Organizer](https://www.hacktiv8.com/) [Source 1](https://www.linkedin.com/posts/caesarmario_teaching-day-1-hacktiv8-corporate-program-activity-7363555447284355072-_1G1) | [Source 2](https://www.linkedin.com/posts/caesarmario_day-7-learning-sql-basics-activity-7366450667051282432-Hh7O) | [Source 3](https://www.linkedin.com/posts/caesarmario_final-day-ml-project-presentation-hacktiv8-activity-7374985668877533184-C8Fk) ## Mentor, Mini Bootcamp SQL - Batch 4 Jun 2025 - Jul 2025 | HaloTech Academy | Mentor | Online Mentored HaloTech Academy SQL bootcamp learners through practical PostgreSQL and DBeaver sessions, training 26 participants with a 4.8/5 average rating. Topics: Teaching, SQL, Mentoring, Data Analytics, Career Development [Organizer](https://id.linkedin.com/company/halotech-academy) ## Machine Learning Mentor, Alibaba Cloud Indonesia GenAI Hackathon 2025 May 2025 | Alibaba Cloud | Mentor | Offline Helped Alibaba Cloud Indonesia GenAI Hackathon 2025 participants refine their ideas, implementation plans, and problem framing. Topics: Mentoring, Generative AI, Artificial Intelligence, Innovation, Community Building [Organizer](https://www.alibabacloud.com/en/developer/idn-ai-hackathon-2025?_p_lc=1) [Source 1](https://www.linkedin.com/posts/caesarmario_genaihackathon2025-alibabacloud-aiforinnovation-activity-7331619919316348931-aqT7) ## Preliminary Round Mentor, Varsity Hackathon (V HACK) 2025 Mar 2025 - Apr 2025 | Varsity Hackathon USM | Mentor | Online Helped Varsity Hackathon 2025 Fintech-track teams sharpen their problem statements, assess implementation choices, and plan workable solutions. Topics: Mentoring, Hackathons, Fintech, Innovation, Professional Development [Organizer](https://vhackusm.com/) [Source 1](https://www.linkedin.com/posts/caesarmario_varsity-hackathon-2025-certificated-mario-activity-7324258906161991681-4LAy) ## Data Engineer Mentor & Instructor, dibimbing.id Jan 2025 - Present | dibimbing.id | Mentor & Instructor | Online Mentor Dibimbing data engineering learners in technical sessions, portfolio reviews, and preparation for industry roles. Topics: Mentoring, Data Engineering, Python, Apache Airflow, Career Development [Organizer](https://dibimbing.id/) [Source 1](https://www.linkedin.com/posts/caesarmario_dataengineering-mentorship-bootcamp-activity-7301428469995814912-Ze-1) ## Short Talk Speaker, PyCon APAC 2024 Oct 2024 | PyCon APAC 2024 / Python Indonesia | Speaker | Offline Presented Data Slices at PyCon APAC 2024, showing how Python visualizations can help an audience explore patterns and follow a data story. Topics: Speaking, Python, Data Visualization, Open Source, Community Building [Organizer](https://pycon.id/) [Source 1](https://www.linkedin.com/posts/caesarmario_datavisualization-pyconapac2024-datascience-activity-7253230884542128128-YO-q) | [Source 2](https://www.linkedin.com/posts/caesarmario_memories-from-pycon-apac-2024-connections-activity-7257005834348437504-cEGN) ## Machine Learning Mentor, Alibaba Cloud Indonesia GenAI Hackathon 2024 Aug 2024 | Alibaba Cloud | Mentor | Offline Helped Alibaba Cloud Indonesia GenAI Hackathon 2024 teams define their problems, narrow the solution direction, and make practical implementation choices. Topics: Mentoring, Generative AI, Artificial Intelligence, Innovation, Community Building [Organizer](https://www.alibabacloud.com/en/developer/idn-genai-hackathon-2024?_p_lc=1) [Source 1](https://www.linkedin.com/posts/caesarmario_alibaba-cloud-indonesia-hackathon-2024-activity-7238010617100427264-TSbQ) ## Mentor & Tutor, Mini Bootcamp SQL - Batch 1 & 2 Apr 2024 - Oct 2024 | HaloTech Academy | Mentor & Tutor | Online Mentored and tutored 67 HaloTech Academy SQL bootcamp participants across two batches, covering SQL fundamentals, guided practice, and career preparation. Topics: Teaching, SQL, Mentoring, Data Analytics, Career Development [Organizer](https://www.linkedin.com/posts/halotech-academy_halotechacademy-boothcampdataanalyst-boothcampsql-activity-7211227049452064769-SLvQ) [Source 1](https://www.linkedin.com/posts/caesarmario_mentoring-moments-at-mini-bootcamp-sql-by-activity-7222790306667061248-0GLY) | [Source 2](https://www.linkedin.com/posts/caesarmario_halotech-mini-bootcamp-sql-for-data-analyst-activity-7197423152874823681-H0vI) ## Dealls Super Mentor Mar 2024 - Apr 2025 | Dealls - Jobs & Mentoring (YC W22) | Mentor | Online Provided 1-on-1 Dealls mentoring for students and young professionals around career clarity, readiness, networking, and professional growth. Topics: Mentoring, Career Development, Networking, Professional Development, Community Building [Organizer](https://dealls.com/en/mentoring/mario-caesar-557) [Source 1](https://www.linkedin.com/posts/caesarmario_1on1-mentoring-mentorship-activity-7186694985818214400-f5HO) ## Data Alchemist, Data Wizards Ambassador Nov 2023 - Oct 2024 | Data Wizards Community | Ambassador / Community Contributor | Online Supported Data Wizards community growth through social content, outreach, and promotion of a more approachable learning and networking space for data people. Topics: Community Building, Data Community, Networking, Professional Development, Social Content [Organizer](https://linktr.ee/data.wizards) [Source 1](https://www.linkedin.com/posts/caesarmario_datawizards-datacommunity-magicofdata-activity-7126382580119023616-b3_8/) | [Source 2](https://www.linkedin.com/posts/caesarmario_datawizards-datacommunity-magicofdata-activity-7136988731642707968-atHx) ## Capstone Advisor, Bangkit 2023 Batch 2 - Machine Learning Nov 2023 - Dec 2023 | Bangkit led by Google, GoTo, and Traveloka | Capstone Advisor | Online Returned as a Bangkit Machine Learning Capstone Advisor, helping student teams set project direction, act on feedback, and prepare their final delivery. Topics: Mentoring, Machine Learning, Capstone Projects, Student Development, Professional Development [Organizer](https://contributors.bangkit.academy/) [Source 1](https://www.linkedin.com/posts/caesarmario_lifeafterbangkit-2023-by-mario-caesar-activity-7112986790134775809-3qEp) | [Source 2](https://www.linkedin.com/posts/caesarmario_bangkit2023-certificateofappreciation-techcommunity-activity-7163351145740951552-nPLf) ## Capstone Advisor, Bangkit 2023 Batch 1 - Machine Learning May 2023 - Jun 2023 | Bangkit led by Google, GoTo, and Traveloka | Capstone Advisor | Online Advised Bangkit Machine Learning capstone teams on project planning, implementation decisions, and final delivery. Topics: Mentoring, Machine Learning, Capstone Projects, Student Development, Professional Development [Organizer](https://contributors.bangkit.academy/) [Source 1](https://www.linkedin.com/posts/caesarmario_bangkit-2023-certificate-of-appreciation-activity-7098487489652297728-8ifT) ## Akridata Data Explorer Ambassador and Product Exploration Jan 2023 - Feb 2023 | Akridata Data Explorer | Ambassador / Product Explorer | Online Shared hands-on Akridata Data Explorer product explorations for practical computer vision workflows, dataset review, and model analysis. Topics: Applied AI, Computer Vision, Data Science, Image Analysis, Model Evaluation [Organizer](https://akridata.ai/) [Source 1](https://www.linkedin.com/posts/caesarmario_dataexplorer-datascience-classification-activity-7042685302435414016-Eo-j) | [Source 2](https://www.linkedin.com/posts/caesarmario_datascience-computervision-ai-activity-7035084757289902082-ZsWK)