FLEX Advisory Board

Sean Clark

Sean Clark joined AvalonBay in 2005 and is the Senior Vice President of Asset Management a role he has been in since 2013. He is responsible for AvalonBay’s national asset management platform including oversight of AvalonBay’s retail and design groups. From 2009 through 2013, he was Vice President of Redevelopment overseeing redevelopment investment activity on the West Coast. Prior to joining the Redevelopment team, he was Vice President of Development responsible for initiating and developing high-end residential and mixed-use communities in the Los Angeles and Ventura county regions for AvalonBay. Over his tenure at AvalonBay Sean has been responsible for over $1 billion of capital investment.


Before joining AvalonBay, Sean spent nearly 8 years with Meta Housing Corporation, a multifamily development company located in Los Angeles, CA.  With Meta, he oversaw the development of both market rate and tax credit financed multifamily communities and was responsible for the company’s redevelopment activity.


Sean and his wife, Kathy, have three grown children, and are active in a variety of relief organizations and inner-city educational. He also serves as assistant-chair for ULI’s Transformative Business Ideas product council.


Sean earned a Bachelor of Science degree in Business Administration and Real Estate from California State University, Northridge, and a Master in Business Administration from Pepperdine University.

Senior Vice President, Asset Management, AvalonBay

Daniel Cohen

Prior to founding daydream in January 2018, Dan worked in real estate private equity for 15 years. While at Amstar and later Ascentris, he was responsible for the cradle-to-grave performance of more than $800 million of investments, including multifamily and hospitality properties. Dan has a B.A. from Wesleyan University and an MBA from NYU’s Stern School of Business. He lives in Denver with his family.

Founder, daydream

Carol Enoch

Carol Enoch has 17 years of operational, asset management, marketing and lease-up experience across all asset classes in urban central business districts; as well as suburban secondary and tertiary markets. With a vision to build community by connecting human need to multi-family through relationships and technology, she specializes in connecting key stakeholders in pioneering initiatives. Currently an asset manager for Forum Real Estate’s new-construction development projects, she has worked with Denver-based REIT UDR, Chicago-based fund-model developer/operator John Buck Company and family-owned vertically-integrated Magellan Development.

Asset Manager, Forum Real Estate Group

Sharon Hatfield

Sharon Hatfield is President at CF Real Estate Services with oversight for property management operations, corporate and regional marketing, human resources, student living, compliance, construction, maintenance and education. Her primary focus at CF is enhancing asset value, accomplished through the management of an operating platform that is centered around customers, clients and employees. 


She has more than two decades' experience working throughout the country in the multifamily industry, including REITSs, private ownership and fee management. Before joining CF Real Estate Services, Sharon served in Senior Operations positions with Southern Land Company and Greystar. She began her career in the industry with Archstone, where she spent 12 years in various operations roles, including Vice President of National Marketing and Communications. Throughout her career, Sharon has been instrumental in realigning support infrastructures, organizing and implementing company rebranding efforts, developing business systems and plans, and arranging marketing efforts for acquisitions and high-end lease-ups. Her expertise has been in high-barrier-to-entry markets and competitive soft markets where she has either lived or operated including Manhattan, Boston, Washington, D.C., Dallas, Atlanta, Nashville, Raleigh-Durham, Denver, Miami and Southern California.

Chief Operating Officer, CF Real Estate Services LLC

Derrick Hawthorne

Mr. Hawthorne is a Vice President of Asset Management and Acquisitions responsible for leading the asset management department within Draper and Kramer. This role includes designing an asset management platform for the Draper and Kramer portfolio of apartment properties. Including the financial management, operations and strategic direction of the portfolio of existing and newly acquired assets. Additionally, he focuses on maximizing value by creating asset strategic plans, analyzing asset budgets, capital expenditures and recommendations for asset acquisitions and dispositions.


Prior to joining the firm, Mr. Hawthorne was Asset Manager for The Habitat Company and most recently Redwood Capital Group where he focused on the investment goals and value maximization for a portfolio of assets throughout five Metropolitan Service Areas. Additionally, Mr. Hawthorne sought strategic opportunities to refinance reposition and acquire new assets.


Mr. Hawthorne received a B.A from Michigan State University. In addition, he graduated from Robert Morris University with a Masters of Business Administration in Accounting and is a Certified Public Accountant (CPA).

Vice President of Asset Management and Acquisitions, Draper and Kramer

Jaja Jackson

Jaja has more than 13 years of experience in multifamily real estate development and property management, most recently as the President of Emerald Property Management, a division of Emerald Fund, Inc. Throughout his career, Jaja has managed thousands of luxury apartment and condominium units in the San Francisco Bay Area. Equally important is Jaja’s background in technology:  He co-founded Mascot Network, a “Facebook for Colleges”  after graduating from Harvard Business School in 1999. Jaja’s depth of experience in asset management and internet technology led him to Airbnb in 2015, where he now leads Airbnb’s global multifamily housing partnership strategy.   Jaja holds a BA in Government from Harvard College, and a MBA from Harvard Business School.

Principal, Iconiq Capital

Colleen Kittell

Colleen Kittell serves as the Vice President of Marketing for Monument Realty. She is responsible for the corporate and property marketing for Monument Realty’s portfolio, including commercial, residential and retail, throughout the Virginia, Maryland, and Washington, DC markets.  Colleen worked for both corporate in-house and marketing agency environments across the country.  Her real estate industry experience includes Bozzuto, BRE Properties, Inc., and Related Companies. For Monument Realty, Colleen brings notable expertise in creating holistic, results-driven strategic marketing programs that encompass brand development, customer segmentation, media planning and analysis, and digital and social media campaigns.  Colleen holds a Bachelor of Arts from the University of Virginia and a Masters of Arts from Georgetown University.

Vice President of Marketing, Monument Realty

Simon Lehmann

A world leading expert and opinion leader in the on-line travel industry.


The digital tornado has hardly changed any industry as dramatic as the travel industry. How we dream about travelling, research and get inspired and how we book, experience and share our experiences. Travelling has become a privilege to our society and with the continuing globalization, available to an ever-growing global population. Who does not have the dream to explore this incredible planet and share his experiences with everyone?


Simon has been in the global business since he started his career in the logistics and supply chain industry, later moved in to the world of airlines and ground handling, before he ended up in the travel industry. His main area of focus has been the private accommodation and vacation rental space, where he served as CEO of one of the world’s largest vacation rental company as well as on the board of Homeaway. He holds a BBA from the GSBA, Zurich with the focus of sales and marketing. Before he founded his consulting company he served as the CEO of Phocuswright Inc in New York, which is the world’s most respected on-line travel research and conference company.

CEO & Cofounder, AJL Consulting GmbH

Jackson Slavik

Bio Coming Soon!

Principal, Starwood Capital Group Global

Donna Summers

Donna Summers is currently a Senior Vice President of Operations with Gables Residential. Donna is responsible for the oversight of the property management and the revenue management within Gables which includes both owned and third-party management. Gables managed portfolio is made up of a variety of over 30,000 multi-family and mixed-use assets.  


Donna has over 30 years of experience in property management.  Her career began with Trammell Crow/Gables where she spent 11 years in a variety of operational roles.   Upon leaving Gables she worked for companies such as Archstone and Greystar in various positions operating A to C product for both owned and third party clients.   Before returning to Gables Residential in 2005, Donna worked for First Worthing where she was Director of Operations and Asset Management. While at First Worthing Donna worked with both conventional housing and student housing projects.

She holds her CPM designation and is a member of the Dallas IREM chapter and she has served on the Board of Directors for the Apartment Association of Greater Dallas. She has served on the Legislative Committee of the AAGD and is currently on the Board of Directors for Apartment Life. 

Vice President of Operations, Gables

Lydia Thompson

Lydia Thompson joined Newmark Knight Frank in 2018 as a senior managing director in the Portland, Oregon, office. Her focus is providing multifamily brokerage services throughout the metro area. A 23-year industry veteran, Ms. Thompson has been involved in all facets of the business from an operations perspective, including: owner/third-party management, acquisitions, dispositions, development, lease-ups, rehabilitation of multifamily projects, marketing, human resources, operations, sales and training.

Ms. Thompson is recognized by her peers as a strategic thinker with a hands-on approach and a track record of delivering exceptional results. Prior to joining Newmark Knight Frank, Ms. Thompson served as a senior director at Greystar for nearly three years, preceded by nearly 13 years as a vice president with Holland Partner Group and seven years as a regional manager with Trammel Crow Residential.

Senior Managing Director, Newmark Knight Frank

Chris Tokarski

Chris Tokarski is a founder and one of the four Managing Partners of ACORE, with $13+ billion in assets under management in commercial real estate debt strategies. He is the Chairman of ACORE’s investment committee.


Mr. Tokarski has 23 years of experience in the commercial real estate finance industry and capital markets. Prior to ACORE, he was the Chief Credit Officer of Starwood Property Trust, Inc. (NYSE: STWD), a public mortgage REIT, from October 2010 to September 2014.

Mr. Tokarski earned a B.A. degree from Brown University with a double concentration in Business Economics and Organizational Behavior and Management. Chris is a licensed real estate broker in California.

Head of Credit, Acore Capital

Beth Tuttle

As Vice President of Marketing at LMC, a Lennar Company, Beth Tuttle strategically plans and executes marketing and branding for a national portfolio of new construction A+ communities, which includes roughly 75 communities nationwide. She takes great pride in supporting LMC’s amazing marketing team and promoting the LMC brand.  Beth is a Texas Tech graduate and joined the multifamily industry in 2001. Beth truly loves her job with LMC, but she also cherishes the time she can spend in Dallas with her family.

Vice President of Marketing, LMC, A Lennar Company

Lisa Trapp

Ms. Trapp is responsible for Sequoia’s investment activities, from on-boarding equity, capital allocation, acquisition, and stabilization. She originally joined Sequoia in 2007.  Throughout her career, she has been responsible for numerous activities including portfolio operations vis a vis marketing, business technology, investor relations, and revenue management in addition to asset management and acquisitions.  Ms. Trapp has been directly involved in developing the investment thesis, proforma, procurement and business planning of more than $2B of real estate across the country. 


Prior to re-joining Sequoia, Ms. Trapp was Vice President of Marketing at CWS Apartment Homes in Austin, Texas.  She received a Bachelor of Science Degree in Communications and has served on numerous industry boards; to include, the Rental Housing Association and the National Apartment Association’s Global Outreach and Communications Advisory Board.  Ms. Trapp is a member of the Urban Land Institute, National Association of Real Estate Investment Trusts, and holds a real estate license in the State of California.

General Partner, Senior Vice-President, Sequoia

Ken Veltri

Mr. Veltri is Senior Vice President and Head of the Asset Management department. Prior to joining AMLI in 2005, he was the Senior Manager of Cost Assurance at Focal/Broadwing Communications (2000-05). He graduated with a B.S. from Bradley University in 1999.

Senior Vice President, Asset Management, AMLI

Sue Vickery

​Sue has been with TCR since 2000. Based in Austin, she performs the Resident Experience role for the western US. In her position, she is involved in the predevelopment process, plan review and interior design direction, determining overall property themes and sourcing the latest technologies and amenities for inclusion in each deal.  Prior to moving exclusively into a development role in 2016, Sue ran Asset Management for the western US, where she was responsible for a portfolio valued up to  $1.3 billion.  Sue also oversaw the placement of equity from TCR’s acquisition fund with AEW, and served as the Fort Hood housing Operations Director. Prior to joining TCR, Sue was Vice President of Acquisitions for CWS Apartment Homes, LLC, placing over $25 million of equity in two years and purchasing 10 multi-family properties in a variety of markets. Sue holds a BS in Business from Towson University.

Managing Director, Trammell Crow Residential

Kari Warren

Kari is the Executive Vice President of Property Operations for Kairoi in charge of all property operations, construction services, marketing, revenue management, and training. She brings over 20 years of experience to the Kairoi team with a background in marketing, branding, and customer service in the residential and interior design industries. Kari previously served as head of operations for Anyone Home, and as a lead executive in charge of strategic marketing, branding and communications for both BRE Properties and AvalonBay Communities, Inc.

Kari holds a Bachelor of Arts in Political Science and International Relations from Texas A&M University. In the community, Kari volunteers for Antonian College Preparatory High School, the American Heart Association, and the Woodlawn Theatre. She also loves golden retrievers, spending time at the theater, swim competitions, and time with her family.

Executive Vice President of Property Operations, Kairoi

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