In this episode of the Mastering Leadership podcast, Mark and Stuart talk with Professor Sophia Jowett, academic, researcher, speaker, consultant and founder of Tandem Performance Consulting to explore how quality relationships can become leadership’s greatest advantage.Drawing upon her extensive expertise and experience, Sophia discusses the critical role of interpersonal relationships and their link with high performance.Sophia differentiates between good and great leadership, emphasizing the importance of connection and that relationship quality affects performance and wellbeing. She explains how this can be achieved by introducing her remarkable 3 Plus 1 C’s model, which outlines the essential components of quality relationships: closeness, commitment, complementarity and co-orientation.Throughout the conversation, she highlights the significance of mutual effort in relationships and the impact of quality connections on performance and wellbeing. The critical role of relationships in high-performance environments, emphasizing the importance of psychological safety, co-orientation and effective communication is explored.The discussion extends into how strong interpersonal relationships can foster innovation, creativity and risk-taking, ultimately leading to better organisational outcomes. Highlighted is the need for leaders to prioritise relationship-building as a strategic objective to enhance performance and well-being within their teams.KeywordsLeadership, relationships, coaching, commitment, collaboration, interpersonal skills, high performance, psychological safety, team dynamics, effective communication, psychological safety, high performance, relationships, leadership, co-orientation, communication, organisational culture, innovation, trust and risk-taking.TakeawaysGreat leaders set a clear vision, high expectations and model the relational tone for their teams.Strong relationships built on trust, respect, appreciation, liking and ongoing commitment are essential for performance, wellbeing and organisational culture.The 3 Plus 1 C’s model highlights the foundations of quality relationships, requiring mutual investment, responsiveness and receptiveness from both parties.Psychological safety enables open communication, risk‑taking, creativity and innovation, all of which underpin high‑performance environments.Effective leadership depends on understanding relationship dynamics, maintaining interpersonal connections over time and communicating consistently.Organisations that prioritise relationship‑building gain strategic advantages, retain people and create conditions where individuals and teams can thrive.Sound Bites"Liking is very important.""Commitment is the glue that connects people.""It takes two to tango in relationships.""A leader sets the tone for the environment.""I can speak my voice and I know it will be heard""High performance is about risk, isn't it?""You can really dare, know, one another""Relationships will solve a lot of problems""We need to go into the nitty gritty, the details""Relationships are key to high performance"