# The Ardunan Village > Andrew Brümmer's executive advisory practice. Interim operator, executive coach, keynote speaker, and author based in Atlanta, GA. Known as "The Business Polygraph." Helps founders and CEOs scale without breaking trust or culture. Andrew works on retainer (day a month, day a week, or set days per week/month); never hourly. Speaking is per event. The Ardunan Village publishes books, essays, and a curated village of resources for operators and leaders. ## About - [Andrew Brümmer](/andrew): Operator, builder, author. The Business Polygraph. - [References](/andrew/references): What people who have worked with Andrew say. - [Podcast Appearances](/andrew/podcasts): Conversations Andrew has been a guest on. - [Beyond the Work](/andrew/beyond-the-work): The human side; lights, woodworking, faith, family. - [Causes](/andrew/causes): Organizations Andrew stands behind. ## Services - [Services Overview](/services): Four engagement types; one principle. - [Interim Operator](/services/interim-operator): Embed inside the business. Operate. Build. - [AI Architect](/services/ai-architect): Govern, align, and protect AI deployments. - [Executive Coaching](/services/coaching): Heart, trust, and intent for senior leaders. - [Keynote Speaking](/services/speaking): Challenge, reframe, equip. - [How We Work](/process): The four-step engagement lifecycle. ## Assessments - [Assessments Overview](/assessments): Instruments that measure what is actually true inside an organization. - [The Executive Mirror](/mirror): Free, ninety seconds. What holding on is costing you in time, money, and life. - [Owner Dependency Assessment](/assessments/owner-dependency): Paid. Forty-five questions across six dimensions; returns an Owner Dependency Index and transferability reading. - [AI Readiness and Oversight](/assessments/ai-readiness): Paid, organization-wide diagnostic across ten weighted dimensions, with executive debrief. - [Board AI Oversight Self-Check](/board/ai-oversight/assessment): Free fifteen-question instrument scored on screen. - [Board AI Oversight Paper](/board/ai-oversight): The fiduciary obligation paper behind the self-check. - [Board Seat](/services/board): Andrew's availability for board participation. ## Courses - [AI Operator Method](/courses/ai-operator-method): Course for operators applying AI inside real businesses. ## Books - [Books Hub](/books): All of Andrew's books and recommendations. - [Leading Magnanimously](/books/leading-magnanimously): Andrew's flagship leadership book. - [You Decide](/books/you-decide): The decision book. - [Recommended Reading](/books/recommended): Books Andrew recommends. - [Complementary Books](/books/complementary): Companion reading. ## The Village - [Village Overview](/village): A curated village of resources for operators. - [Building](/village/building): Resources for builders. - [Transitioning](/village/transitioning): Resources for leaders in transition. - [Running](/village/running): Resources for leaders running organizations. - [Posts Worth Reading](/village/posts-worth-reading): Curated essays and articles. - [AI Toolset](/village/ai-toolset): Andrew's working AI stack. - [Partners](/village/partners): People and firms Andrew partners with. - [Resources](/village/resources): Downloads and tools. ## Writing - [Blog](/blog): Essays from Andrew. ## Contact - [Contact](/contact): Send a message. - [Book a Discovery Call](/book-me): Thirty minutes; no pitch. ## Optional - [Privacy Policy](/privacy) - [Terms of Use](/terms) - [Data Deletion](/data-deletion)