Whenever possible, I make my presentations available out on Slideshare (see sidebar). Looking for a specific presentation? I've organized them by category below:

General Open Source

• So Who's Using Open Source Anyway? - Open source has become the norm - if your company isn't using Open Source software in some way or fashion you're behind the curve!

Continuous Integration/Continuous Delivery

• Continuous Integration As A Service - CI is not so niche any more and it's a critical subsystem to getting good software released early and often.
• Continuous Integration For BI/Analytics - Even data heavy projects can benefit from CI/CD!

General Data Community

• Ethics In A Data Driven World - One of my passions is ensuring that what we do in the data space is both ethical and helpful. Unfortunately there are a lot of issues that have come up that show we as a technology community have a long ways to go!
• Data Quality Overview - Data Quality is one of those areas many projects push off until towards the end. In actuality, data quality should be spun up as a project alongside the main project.

Data Warehousing/Business Intelligence

• Introduction to Data Warehousing - General overview on data warehousing architectures and recommendations for open source tools to build your own warehouse
• Building Next Generation Data Warehouses - General overview of some of the more recent (as of 2017) developments in data warehousing architecture
• Big Data Pitfalls - Many companies are utilizing 'big data', but they almost always hit these issues. Not surprisingly, they're the same kinds of issues typical of data warehouse projects.
• Open Source Business Intelligence Overview - Ever wanted to build an entire BI stack using only open source? Its totally possible and this is a rough blueprint how!
• Agile Business Intelligence - Yes, data heavy projects can also leverage Agile best practices. Here's a blueprint how.
• Open Source Data Warehousing - An older presentation on working with open source technologies with data warehouse projects
• Mondrian and OLAP Frontends - An (dated as of 2012) overview of open source OLAP frontends.
• Open Source Business Intelligence Tools - An older (dated 2012) overview of open source business intelligence tools.

Linked Data/Semantic Web

• How Linked Data Can Speed Information Discovery - General overview with examples on how linked data can help with specific types of problems.
• Graphing Your Data - General overview of graph data models.

Analytics

• Introduction To Analytics - General introduction to analytics/data driven decision making.
• Big Data Analytics - "Big data" has completely changed how we work with data - especially by allowing more comprehensive analytic projects!

Pentaho Data Integration

• Choosing the Right Steps in Pentaho Kettle - Ever get confused as to which steps to use in Kettle? Here's a handy guide.
• Data Vault Warehousing with PDI - An example of building a data vault leveraging PDI.