Meet the Team, Our Partners, & Friends

rebel and hart, llc is a small firm focused on operations consulting, but we are growing a collective of like-minded consultants who believe that the world is big enough for all of us to succeed.

All years have their special ways of making starting or running a business surprising, but 2024 has already delivered its fair share and seems to have so much more to give, so even if you just need confirmation that you aren’t crazy, you can schedule an introductory call. Even if we can’t help you, someone else might be perfectly suited or in a position to help.


  • President & Founder, rebel and hart, llc
    Fractional COO, Intentional Gravity, LLC

    Kristin Nienhuis is an accomplished operations leader and entrepreneur with a multi-industry career focused on scaling high-growth startups. As Chief of Staff at CTRL Therapeutics, she guided the company from seed funding through critical milestones, building teams, and developing the organizational culture and operational framework.

    With experience across fintech, biotech, civic tech, and product & design firms, Kristin thrives in fast-paced environments. Her core strengths include adeptly defining problems, implementing pragmatic processes, and fostering effective communication within teams and among decision-makers.

    Kristin is driven by a passion for unlocking potential in teams, founders, and ideas. She helps organizations navigate ambiguity, clarify expectations, and cultivate strong communication channels that enable individuals and businesses to grow. This people-first approach to operations, centered on inspiring clear and impactful communication, defines her success through the opportunities and achievements she creates for others.

    An entrepreneurial spirit, rooted in founding her own business in 2001, informs Kristin's leadership style. She combines emotional intelligence with a solutions-oriented mindset to motivate teams, facilitate meaningful dialogue, and drive results across various sectors. Her ability to inspire and cultivate effective communication is instrumental in aligning teams and guiding strategic initiatives.


  • A Seasoned Technology Leader With Emotional Intelligence for Days

    Accomplished technologist, leader, and coach, with outstanding experience in software engineering leadership and implementation of best practices. Track record of successfully assembling and leading high-functioning organizations, driven by strong organizational processes. Values-driven philosophy centers on inclusion, respect, resilience, and clear communication.


  • , Intentional Gravity

    It all begins with an idea. Maybe you want to launch a business. Maybe you want to turn a hobby into something more.