184: Lattice over Ladder, A New Model for Leadership in Design

How can firms rethink leadership to create more equitable career paths?In this episode of Practice Disrupted, we explore a new approach to leadership development in architecture with the team from FIFTEEN Architecture & Design. Firm founders and team members share how they’ve challenged traditional hierarchies by implementing a flexible, inclusive leadership model that prioritizes mentorship, career growth, and impact-driven design.The conversation begins with Ximena Valle, AIA, LEED AP, founding principal of FIFTEEN, as she reflects on the motivation behind launching the firm. She discusses how traditional career structures often limit opportunities for growth, leading talented professionals to leave the industry. To combat this, FIFTEEN has developed a lattice-based leadership model that moves away from rigid hierarchies, creating space for emerging leaders to shape the future of the firm.Sharrod Parker, AIA, and Ramune Bartuskaite, AIA share their experiences navigating alternative career paths within FIFTEEN, where team members are encouraged to pursue individual strengths and leadership opportunities beyond traditional job titles. Together, they explore how architects can redefine leadership, increase representation in decision-making, and cultivate a culture where everyone can thrive."Instead of a pyramid where everyone fights for one position at the top, we’ve created a lattice where every team member has the space to grow into leadership." – Ximena ValleThe episode concludes with insights on scaling this leadership model, the impact of mentorship, and advice for firms looking to create more equitable and dynamic workplaces.Guests: Ximena Valle, AIA, LEED AP is the founding principal of FIFTEEN Architecture & Design. She started the firm with the vision of rethinking leadership, creating an inclusive practice, and using architecture as a tool for impact. With experience across large, mid-size, and small firms, she launched FIFTEEN to address the barriers preventing talented architects from advancing in traditional firms. She is passionate about mentorship, firm culture, and fostering new models of professional growth.Ramune Bartuskaite, AIA, LEED GA, WELL AP is an Associate at FIFTEEN, where she leads marketing and communications in addition to practicing architecture. Passionate about advocacy, she has worked on initiatives to support women in the profession and previously co-edited a book focused on women in architecture. At FIFTEEN, she plays a key role in shaping the firm’s leadership culture and internal development.Sharrod Parker, AIA is a registered architect and educator focused on innovative approaches to design and practice. At FIFTEEN, he works on refining project delivery processes, integrating technology, and fostering a more inclusive approach to professional development. A former student of Ximena’s, he brings a deep commitment to mentorship and leadership evolution in architecture.📍 Show Links:Connect with Ximena Valle on LinkedInConnect with Ramune Bartuskaite on LinkedInConnect with Sharrod Parker on LinkedInLearn more about FIFTEEN Architecture & DesignFIFTEEN Lattice Model Sketch📍 Follow Practice Disrupted on Social:Facebook | Instagram | LinkedIn | Pinterest | TwitterCheck out our past episodes Be a part of our community — join the conversation