Andy Karl

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Andy joined Sub4 Development in June 2022 as the Colorado Director of Construction. Andy now runs our Arizona and Colorado construction teams.  He brings 22 years of project management and operations experience. Prior to joining Sub4, Andy spent the last 19 years with a national luxury homebuilder Toll Brothers, managing all aspects of single, multi-family and master-plan projects. He’s managed developments in Indiana, all throughout New England and Northern California.

He now resides in Monument, CO with his wife, son, and Bassett Hound, Lucy. Andy is an avid golfer and enjoys cooking and BBQing with friends and family.

Dane Olmstead

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Dane is an integral member of the Development Team at Jackson Dearborn, as well as a partner in the firm. He heads up site selection, entitlements, underwriting, and JDP’s research-based acquisition & development strategies.

He has spent ten years in the real estate business, working in multiple roles on the brokerage side at Triad Real Estate Partners before becoming a partner at JDP with a particular passion for urban infill development projects.

Dane spent his first fourteen years in Ballarat, Australia, before moving to the US for high school. He is a University of Michigan graduate and recently moved back to Ann Arbor with his wife, Katie, and his daughter, Oakley.

Nick Griffin

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Nick is Head of Creative and Asset Management for Jackson Dearborn Partners, as well as a partner in the firm. He is responsible for brand direction, design, marketing, advertising efforts, and asset management. He has spent 15+ years in design, the last 12 in the real estate business.

Nick began his career as a freelance graphic designer before taking a job as the in-house designer for the top golf accessory company in the country. He began his real estate career in 2013 with Triad Real Estate Partners, building the Triad brand and Marketing & Analytics team.

A graduate of Illinois State University, Nick now lives in Chicago’s Wicker Park neighborhood with his wife Dana and their two children.