Where People Science & Business Growth Intersect.
The data shows you who. We show you how.
Every leadership team knows their people are the difference between hitting their goals and missing them — but most are still hiring, managing, and building teams on instinct. We partner with business leaders, senior leadership teams, and sales organizations to change that: using behavioral science to help you see your people clearly, so you can hire smarter, lead more effectively, and build teams that actually deliver.
This isn't another assessment that sits in an HR folder. It's a way of defining roles before you post them, spotting the right leaders before you promote the wrong one, and building teams that click instead of clash — grounded in data, not guesswork.
The result goes well beyond ROI. It's a cultural shift in how your organization makes decisions about people — and the scalability to grow further and faster than you thought possible.
Meet the Marble Street Team
Marble Street Consulting was founded on a simple belief: your people strategy and your business strategy should be pulling in the same direction. Co-founders Donna Baines and Kim Galle bring over 35 years of combined experience to elite, high-profile enterprise clients who can't afford to get talent decisions wrong — from hiring and team design to the strategic work that keeps a growing business running. Marble Street is a Predictive Index Certified Partner, and every engagement is backed by both of their expertise.
Kim Galle
Co-Founder & Principal Consultant
Kim brings over twenty-five years of experience as a human capital advisor and strategic business partner to organizational leaders. She began her career in public accounting as a CPA, spending fifteen years developing a rigorous, analytical understanding of how business decisions drive financial performance.
Kim now applies that same strategic discipline to human capital, helping business owners and leaders improve companies' bottom lines through human capital analytics. Using the Predictive Index® System, she advises on hiring, management, and motivation with precision, translating behavioral data into decisions that strengthen sales teams, sharpen leadership, and drive measurable results. Kim holds a BS from Canisius University.
Donna Baines
Co-Founder & Principal Consultant
Donna builds relationships with some of the biggest names in business by digging into the strategy behind the data — earning trust with senior leaders through depth, not pressure. She puts that trust to work defining roles, guiding major hiring decisions, and building teams that retain their top talent. As a Master Certified Trainer, she trains organizations on the Predictive Index until they're self-sufficient with it — coaching managers toward greater self-awareness and stronger leadership, and changing how teams see each other and work together long after the engagement ends.