458 Hiring Olympics and High-Performance Culture with J.D. Roth

"Stay curious. And you only have one reputation. Guard it with your life." Hiring for judgment, not just rehearsed confidence   Industrial water treatment is full of decisions made with incomplete data—on sites, with customers, and inside the business. JD Roth (Managing Director and Co-owner of Guardian Chemicals) builds his hiring around that reality. His aim is straightforward: protect the team and the culture by selecting people who can think, collaborate, and lead under pressure. JD frames the organization as a group of people choosing to work toward a common goal: building a better future for communities, the environment, and staff. That priority shows how Guardian hires, who they keep, and what becomes a deal-breaker. If a candidate is misaligned with core values, JD is clear: performance elsewhere won't override that mismatch. The "Hiring Olympics" structure For a high-bandwidth, project-based role (their Graduate Business Analyst program), Guardian needed a way to evaluate many strong candidates without consuming 40–50 hours of team time. The result is a four-hour, multi-station day that includes: Core values interviews (two-person format) Competency interviews (horsepower and capability) An individual case study (primarily math/business-oriented) A collaborative case study (decision-making and team dynamics) The collaborative case study is the centerpiece. Candidates work with peers who are also competitors for limited roles, using real cases built around business decisions—often with imperfect or incomplete information—so the team can observe how candidates break down problems, delegate, support others, and present recommendations. How decisions get made afterward After candidates leave, the interview team convenes for a group decision. JD starts by looking for any "vetoes," especially around core values to fit (he references an EOS-style standard of meeting 5 out of 6 core values most of the time). From there, the team compares notes across competency, core values, and observed collaboration behaviors. Stay engaged, keep learning, and continue scaling up your knowledge!    Timestamps    02:20 – Trace Blackmore shares part of a real-world service routine and ongoing professional improvement  05:35 – Upcoming Events for Water Treatment Professionals   12:00 – Words of Water with James McDonald  13:52 – Fun Fact about 1903 from this day  14:28 – Interview with JD Roth, Managing Director and Co-Owner of Guardian Chemicals  15:20 - "A company is people"   19:00 – First solo site lesson: ask for help vs. pretend  25:10 – The GBA Program (Graduate Business Analyst)   27:50 – Hiring Olympics format + Efficiency  33:30 – "Ping pong balls in a jumbo jet" example  39:10 – Selection rules: Core values veto + EOS bar + Values list    Quotes  JD:"And if you've got great people and you take care of great people, they take care of your customers, and your customers take care of you."  JD: "There really isn't a company. There is just a whole bunch of people who have decided to work together towards a common goal."   Trace: "I can only imagine how empowered your team feels because they're so involved in this process and you're involving everybody"   Trace: "I love the fact that we're diving deeper into the most important thing, and that's protecting and enhancing our culture."    Connect with JD Roth Email: [email protected]  Website: http://www.guardianchem.ca/  LinkedIn: https://www.linkedin.com/in/john-david-jd-roth-58714113/     Guest Resources Mentioned   Entrepreneurs' Organization   Verne Harnish 'Scaling Up'   About Verne Harnish   Harvard Business Review Case Studies    Scaling UP! H2O Resources Mentioned  AWT (Association of Water Technologies)  AWT Technical Training Seminars  Scaling UP! H2O Academy video courses  Submit a Show Idea  The Rising Tide Mastermind  7 Habits of Highly Effective People by Stephen. R. Covey  Fearless Pricing: Ignite Your Team, Own Your Value, and Command What You Deserve by Casey Brown   Supercommunicators: How to Unlock the Secret Language of Connection by Charles Duhigg   Charles Duhigg — "The science behind dramatically better conversations" (TEDxManchester)   12 Week Year Plan   457 2026: A New Year with New Intentions  Traction: Get a Grip on Your Business    Words of Water with James McDonald  Today's definition is an ion with a net positive charge, formed when an atom or molecule loses one or more electrons.  Can you guess the word or phrase?    2026 Events for Water Professionals  Check out our Scaling UP! H2O Events Calendar where we've listed every event Water Treaters should be aware of by clicking HERE.