Dennis Lejardi
Manager, Marketing Database @Norwegian Cruise Line Holdings Ltd.
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WORK HISTORY
Manager, Marketing Database @Norwegian Cruise Line Holdings Ltd.
Originated and architected an approach for natural language analysis of ETL pipelines using Snowflake Cortex and query history metadata.• Led development of AI-driven operational intelligence capabilities enabling automated lineage discovery, transformation analysis, and root-cause diagnostics.• Designed metadata frameworks that allow AI agents to interpret SQL transformations, business rules, and downstream dependencies across the Snowflake data platform.• Built Snowflake-native AI applications (Streamlit + Cortex) enabling automated ETL auditing, pipeline monitoring, and AI-assisted SQL development.• Lead enterprise ETL modernization, driving migration from SAP Data Services & Informatica to dbt and Matillion on Snowflake, managing a cross-functional team of developers and QA engineers.• Design and deploy Streamlit applications to automate privacy and operational SQL checks, consolidating multi-query processes into one-click workflows with summarized results, reducing manual work and improving compliance.• Leverage Salesforce Data Cloud and Salesforce Marketing Cloud for audience segmentation, campaign orchestration, and personalization strategies.• Collaborate with business DevOps to define Git branching strategy and implement RACI and RBAC governance frameworks for marketing data operations.• Oversee Tableau analytics and dashboards to provide actionable insights for marketing, sales, and operational teams.• Lead requirements gathering with enterprise stakeholders, translating business objectives into technical deliverables for CDP and Snowflake-based projects.
EDUCATION
University of Miami
Bachelor of Arts - BA, Music Business and Entertainment Industries
SKILLS
ABOUT DENNIS LEJARDI
Data and marketing technology leader with 8+ years’ experience modernizing enterprise data platforms, enabling personalization, and aligning martech with strategic business goals. Currently leading a multi-year ETL migration from SAP Data Services & Informatica to dbt and Matillion on Snowflake, managing developers and QA engineers to deliver scalable, agile pipelines.Hands-on in designing Streamlit applications that automate complex privacy and operations SQL checks into one-click workflows—accelerating validation, improving compliance, and saving hours of manual effort. Deep experience with Salesforce Data Cloud and Salesforce Marketing Cloud, leveraging them for segmentation, campaign orchestration, and personalization strategies. Proficient in Tableau for analytics and visualization to inform marketing and operational decisions.Collaborates closely with business DevOps to define Git branching strategy, establish RACI and RBAC structures, and strengthen governance over data access and development workflows. Known for bridging technical and marketing teams to create solutions that drive engagement, efficiency, and trust in data.Recently pioneered an approach for enabling natural language analysis of ETL pipelines using Snowflake Cortex and metadata from query history, allowing engineers and analysts to interrogate transformation logic, identify issues, and generate SQL corrections using AI.Former event planner turned data strategist — still a lover of pop culture, Star Wars aficionado, and proud classic band geek. Bilingual in English and Spanish, with basic French skills.
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