We’re data nerds

Roz Buick has 25 years experience building and leading teams that digitally transform industries by automating and re-engineering customer workflow and information management. Presently, she is the senior vice president for Oracle’s construction & engineering business. Previously, Roz was responsible for full-function business P&Ls and global teams at Trimble for 12 years. Roz earned a Bachelor of Agricultural Science degree and a Ph.D. in Computer Simulation Modeling and Plant Physiology from Lincoln University in New Zealand. She also earned an Executive Master of Business Administration degree from Duke University in North Carolina. Roz also enjoys drinking great coffee, mountain biking, or hiking with Lucy, her chocolate Labrador retriever.

Robyn Denholm is the newest member of Propeller’s Board of Directors, having joined Blackbird Ventures as operating partner in January 2021. Throughout her global career with technology and engineering companies, Robyn has held roles in both finance and operations, most recently with Telstra in Australia as chief operating officer, chief financial officer, and head of strategy. She is also the Chair of the Board of Directors of Tesla Inc. Robyn earned a Bachelor of Economics degree from the University of Sydney and Doctor of Business and Master of Commerce degrees from the University of New South Wales. Outside of work she enjoys spending quality time with her family and friends.

Rory San Miguel is the co-founder and CEO of Propeller Aero. After helping found a drone delivery company, Rory and his co-founder, Francis Vierboom, started Propeller Aero to champion the application of photogrammetry and help the underserved construction and resources industries use 3D drone modeling to create better maps of their worksites. A self-proclaimed “robot geek,” Rory studied robotics/mechatronic engineering at the University of New South Wales. His efforts to advance drone mapping also earned him a spot on Forbes’ 30 Under 30 list in 2018. To stay grounded, Rory enjoys squash and camping with his family, friends, and dog, Rocky.

Mark works for Costanoa Venture Capital, a firm investing in early stage start up companies. Prior to joining Costanoa, Mark was an entrepreneur and operator who led organizations in the enterprise software and consumer internet sectors. He also co-founded and served as president for Merced Systems and BabyCenter. Mark earned a Bachelor of Arts degree in English from Brown University and a Master of Business Administration degree from Stanford Graduate School of Business. Outside of work, Mark volunteers with the March of Dimes. He also serves on the Board of the San Francisco Friends School and plays drums in two bands.

Francis Vierboom co-founded Propeller in 2014 and was co-CEO with Rory San Miguel until 2019. He worked with Amazon Web Services as the startups lead in Sydney from 2019 through 2020 and continues to work with early stage startups as a mentor and investor. Francis earned Bachelor of Law and Bachelor of Science in information technology degrees from the University of Technology in Sydney. He’s also very busy as the father of two young sons and is currently using the Propeller Platform to build and landscape a new home for his family.