![Hot air balloons at dawn](/sites/default/files/styles/resource_card_image_360x300_/public/2021-11/balloons_at_dawn.jpg?itok=peSW6144)
Lighter Than Air Vehicles
Backgrounders
Learn about history and workings of lighter than air vehicles.
Dave Challoner
Project Manager
I guide and manage a diverse team of people as we carry out various projects.
![College basketball players engaged in a game](/sites/default/files/styles/resource_card_image_360x300_/public/2022-05/sports_Science_main_image.jpg?itok=Ea0rdCC_)
Let's Talk Sports Science Resources
Backgrounders
Discover a list of resources to get you thinking about STEM and sports for the Let's Talk Sports Science symposium.
![Test tubes with colourful liquids](/sites/default/files/styles/resource_card_image_360x300_/public/2021-11/test-tube-with-colourful_liquids.jpg?itok=MEo5D0U_)
Evidence of Chemical Change
Backgrounders
Learn how to tell if a chemical reaction has taken place.
![Miriam Micael](/sites/default/files/styles/career_image/public/2021-11/Miriam%20Micael2.jpg?itok=stlGvpe2)
Miriam Micael
Engineer, Project Management
As a project manager at the Canadian Space Agency, Miriam makes sure projects get done on time and on budget.
![Sombto Ibe](/sites/default/files/styles/career_image/public/2021-07/Somto%20Ibe.jpg?itok=nuE1bt3d)
Somto Ibe
Career Profiles
Engineer, Renewable Energy
Somto Ibe is responsible for ensuring that wind turbines and solar panels operate safely.
![Alok](/sites/default/files/styles/career_image/public/2021-11/Alok%20Shirolikar1.jpg?itok=hYuSu-P5)
Alok Shirolikar
Career Profiles
Specialist Engineering Project Management
I manage teams that design and build offshore oil and gas pipeline infrastructure. I also support offshore wind projects.
![Shannon Tymosko](/sites/default/files/styles/career_image/public/2021-11/Shannon%20Tymosko_0.jpg?itok=IqR7En50)
Shannon Tymosko
Career Profiles
Electrical Apprentice
I am a second-year Electrical Apprentice with the IBEW Local 105
![Fairy Sahay](/sites/default/files/styles/career_image/public/2021-06/Fairy%20Sahay.jpg?itok=2KRgSGKu)
Fairy Sahay
Civil Engineer (Green Economy Project)
I work to protect, conserve and restore natural resources.
![Ignacio Tartavull](/sites/default/files/styles/career_image/public/2021-04/Ignacio%20Tartavull.jpg?itok=gcMp43dz)
Ignacio Tartavull
CEO
Ignacio started a business that builds and operates remotely controlled food-delivery robots.
![Rebecca White](/sites/default/files/styles/career_image/public/2021-02/Rebecca%20White.jpeg?itok=Jwe47CrS)
Rebecca White
CEO
Rebecca White is the CEO of Engineers of Tomorrow, located in Ontario.