Experienced Leadership for Complex Projects + Operations

Rainier Strategy leads complex capital projects, operational initiatives, and organizational growth across commercial real estate, life sciences, and private industry. We provide experienced leadership, clear accountability, and practical execution for projects that matter.

A snow-capped mountain with rugged peaks and slopes, surrounded by a landscape of rolling hills and distant ranges under a clear sky.

What We Do

Rainier Strategy partners with clients to lead projects with demanding timelines, multiple stakeholders, and significant operational coordination. Our work includes owner-side project management, vendor and stakeholder management, budget and schedule oversight, execution oversight, and operational support from planning through delivery.

Experience Across Complex Operating Environments:

Biopharmaceutical Manufacturing

Commercial Real Estate Development

Startup & Growth Operations

Capital Project Leadership

Our Services

Our Team

A woman with long wavy brown hair and blue eyes smiling outdoors with a blurred background of autumn trees.

Della Tall

Founder and Principal

Della leads Rainier Strategy’s work in commercial real estate, business growth, and operations. Her current consulting work includes commercial real estate development, property sales, and projects involving 1031 exchanges. She provides owner-side leadership from planning through execution.

Her background includes founding GoLab, serving as General Manager with Victoria Clipper, and owning and managing multifamily and short-term rental properties. She has bootstrapped and led businesses from inception through profitability and exit, with experience building teams, developing business opportunities, and managing both major projects and daily operations.

Della brings an owner’s perspective to consulting, drawing on her experience building businesses and managing real estate investments. She advises clients on project strategy and commercial decisions and leads execution, balancing financial objectives, timelines, and operational requirements.

Headshot of a smiling man with short dark hair, beard, wearing a gray sweater, outdoors with autumn trees in the background.

Robert Casey

Robert brings more than two decades of experience leading capital projects, GMP site startups, and technical operations in the biopharmaceutical industry across the U.S. and Europe. His background includes leadership roles on capital projects and facility startups for major biopharmaceutical manufacturers, including Pfizer, Novartis, and Regeneron.

Throughout his career, Robert has led cross-functional teams through large-scale facility startups, operational expansions, and technically demanding projects with aggressive timelines and significant operational complexity. His experience spans project execution, operational readiness, stakeholder leadership, and coordination across engineering, manufacturing, quality, and business teams.

Robert’s foundation in mechanical engineering informs his practical, systems-oriented approach to complex operational and capital project environments.

Founding Partner

Let’s discuss your project.

Sunset or sunrise over a mountain range with snow patches, reflecting on a calm lake surrounded by rocks and boulders.