Nathan oversees the firm’s major projects with a focus on social inclusivity, climate change, and resetting relationships between buildings and shared public space. Across a variety of project types, from multi-family housing to community placemaking, Nathan has expanded the firm’s design capacity and integrated new technologies into design and practice. He teaches and lectures in design, architectural history and theory, and cultural studies, and has served on the Board of Directors for the LA Forum for Art and Architecture. Nathan recently served as a Director on the AIA Los Angeles Board, where he remains actively engaged in outreach to bring more diversity into the profession.

Tod Lipka holds an M.P.A. degree and an M.S. from USC. With forty years in managing

nonprofits, Mr. Lipka is a seasoned executive. He has been President and CEO of Step Up since

2001. In that time, Step Up has increased exponentially in its breadth of service operation and

expanded from one supportive housing project to over twenty-five projects. Step Up started

services originally in Los Angeles and now provides services throughout California including Los

Angeles, San Bernardino, Riverside, Orange, Monterey, and Sacramento Counties as well as the

states of Florida, Georgia, and Tennessee.  Step Up is nationally recognized as a leading mental

health and housing provider to those who are chronically homeless.  Step Up was an early

adopter of the housing first model and Step Up’s work on motel conversion models was part of

the genesis of California’s innovative Homekey Model.  Called one of the best service providers

in the country, Step Up boasts a 98% retention rate of those who are housed.  Lipka is a

member of the Clinton Global Initiative and Step Up’s work was recognized and endorsed

personally by President Clinton in 2010, 2013 and most recently in September 2023 from the

main stage by Chelsea Clinton at the Clinton Global Initiative, as well as recognition by the late

Kobe Bryant and the Kobe and Vanessa Bryant Family Foundation.  Lipka oversees all aspects of

the Step Up entity which includes permanent supportive housing, mental health services and

property management to 7,200 people in five states, most of which serve individuals with

serious mental health conditions and experiencing chronic homelessness. In the last two years,

Step Up has housed 2,285 persons who were homeless.  As an innovator and thought leader,

Lipka educates and advocates directly on behalf of the individuals Step Up serves through

sharing powerful personal stories from the field, increasing awareness and sharing best

practices in the area of mental health, chronic homelessness, and permanent supportive

housing through innovative public/private partnerships.

With more than 40 years of architectural experience, credibility and expertise in civic and cultural projects, Jim Wirick uses his programming, planning and leadership skills to advance innovative concepts that support client goals. Jim understands the unique demands of a community-driven space and the balance of light, acoustics, aesthetics and finances to arrive at a solution that intersects the desires and fiscal constraints. His experience allows him to mentor the evolution of a project from concept planning to completion while maintaining the success of a functioning aesthetic.

Korin Crawford is responsible for originating, evaluating, structuring, and closing Public-Private Partnerships (P3s) for the Griffin Structures business unit. Korin leverages over 20 years of experience in infrastructure, real estate, and M&A of property-backed operating businesses with an emphasis on P3s and real estate transactions in complex regulatory environments.

Prior to joining Griffin Structures, Korin was an Executive Advisor to the Los Angeles City Administrative Officer (CAO) as a subject matter expert on infrastructure delivered through a variety of alternative financing methods including P3s. In this role, Korin spearheaded $3.5 billion of investment opportunities spanning municipal facilities, transit, renewable energy, and habitat restoration projects. Notable projects included the Los Angeles Convention Center, LA Civic Center, and Downtown Streetcar. Korin is a frequent speaker at national and international conferences on P3s, including the Dubai International Project Management Forum (DIPMF), the P3 Conference in Dallas, CityAge in Washington DC and Los Angeles, and P3 Hub West.

From 2006 to 2015, Korin led his own consulting and investment practice, offering advisory services to for-profit and non-profit real estate investors, developers, and public agencies (including utilities, ports, city/county, redevelopment, and school districts) to finance and develop land, real estate, renewable energy, and energy efficiency.

Rosalio serves as Vice President and Market Executive for Wexford Science & Technology and is

responsible for developing and executing life science projects in the Western United States. With

experience in commercial and multifamily real estate development, architectural design, and

construction management, Rosalio brings a wealth of knowledge to leasing, acquisitions, budgeting, due

diligence, environmental remediation, entitlements, sustainable design, and permitting.

Before joining Wexford, Rosalio oversaw Boos Development Group’s Western division operations as a

Vice President of Development and Construction. Over his career, he has developed over 2.5 million

square feet of commercial projects and managed development teams and company divisions in the

western US. Previously, he worked as an architectural designer for HOK in the Culver City, CA office and

Fragoso Construction as a project manager in the Chicago region.

He received his Bachelor of Architecture from the University of Illinois Chicago and Master of

Architecture from the University of California Los Angeles. He also attended the Ross Minority Program

in Real Estate at the University of Southern California. In addition, Rosalio has the LEED AP accreditation

from US Green Building Council and holds a CA Real Estate License.

Andrew J. Kiesling is a seasoned professional in the commercial real

estate development and construction industry with over two decades of

experience. Currently based in San Diego, California, Andrew's expertise

lies in effective value creation strategies by merging real estate market

trends and property development and construction methodologies. His

proven track record and ability to deliver extraordinary results makes him

a valuable asset in the industry.

Andrew previously served as real estate officer at the University of

California, San Diego, where he played a pivotal role in facilitating the

University’s mission through both strategic acquisitions and property

development via the public-private partnership model. His experience

spans the entire development cycle, from crafting request for

qualifications & proposals, to deal structuring, development agreement

and ground lease negotiation, design, entitlement, construction and

delivery of the completed property to the operations team and end-user.

He has been involved in a variety of acquisition assignments including

land, faculty/staff housing, hospitals, hotels, museums and ground lease

buyouts, with a combined project value of nearly $600MM. In addition,

his public-private partnership development experience includes projects in

the life-science, medical, office, classroom, and housing sectors, with a

combined project value of nearly $1.2 billion.

Prior to this, Andrew served as a Senior Project Manager at JLL where he

was the owner's development representative for diverse array of

development and construction projects.

Andrew holds a Master of Science in Real Estate from the University of

San Diego and a Bachelor of Science in Business Administration with an

emphasis on Real Estate from San Diego State University.

Steven Chang believes if you are going to break the rules, break them beautifully. With an extensive teaching background—he was a Visiting Professor at Pratt Institute’s Graduate Architecture and Urban Design Program for many years—Steven has a unique ability to describe, explain, and produce projects that enrich the understanding and enjoyment of architecture among clients and students alike. Steven’s dedication to the details of his craft stem from his background in carpentry / metalsmithing and the profound joy that comes from building things to solve problems. He carries this passion and expertise into each of his projects, where he is responsible for planning, design, detailing, and project management.

Tim Reimers leads Sheppard’s Healthcare Real Estate practice and advises many of the nation's leading healthcare systems, providers, investors, and developers on their most significant real estate and finance transactions. With deep experience across hospitals, behavioral health, senior housing, and other healthcare assets, Tim is widely recognized for helping clients navigate complex legal, regulatory, and business challenges at the intersection of healthcare and real estate. He counsels clients on acquisitions, development projects, joint ventures, financing transactions, sale-leasebacks, public-private partnerships, and other strategic initiatives, bringing a practical approach shaped by decades of experience in the healthcare sector.