ADVISORY SERVICES*

Trusted, independent advice for real estate leaders

Green Street’s Advisory Services provide unbiased, data-backed guidance for investors and operators navigating complex real estate markets – delivering capital allocation strategies, transaction advisory, portfolio optimization, and board-level counsel.*

Independence
No conflicts – just clear, honest advice
Experience
Decades of global market expertise
Insight
Strategic advice powered by proprietary data
Results
$40B+ in advised transactions
Global Coverage
Clients across six continents
CAPITAL MARKETS EXPERTISE

Navigate deals with confidence

Strategic advice through IPOs, M&As, REIT conversions and private capital raises, plus investor messaging to position your company for optimal market impact.

IPOs & M&A

Execution-ready insights for offerings, mergers, and privatizations.

REIT conversions

Structure and execute REIT transitions seamlessly.

Investor messaging

Shape compelling, data-informed narratives.

PORTFOLIO & TRANSACTION ADVISORY

Investment strategy, tailored to your goals

Build stronger portfolios and strategies with tailored insight, transactional support, and specialized sector research to maximize investment value.

Portfolio strategy

Build with confidence using bespoke market intelligence.

Transaction support

Advisory on acquisitions, sales, and restructurings.

Niche sector research

Deep dives into emerging opportunities.

BOARD & GOVERNANCE SERVICES

Independent insight for stronger leadership

Empower leadership with independent board counsel, company diagnostics, and governance guidance, delivering clarity for smarter decisions.

Strategic reviews

Special committees, activism, and governance alignment.

Company diagnostics

Objective performance assessments relative to market peers.

Governance advisory

Best-in-class frameworks for leadership success.

WHAT’S INCLUDED

Explore full Advisory Services

Green Street’s Advisory Services provide unbiased, data-backed guidance for investors and operators navigating complex real estate markets. Download the brochure for details.

BY THE NUMBERS

Measurable results, real value

$40B+

Transactions Advised

All

Sectors Covered

30+

Years Advising REIT IPOs
ADVISING A WIDE RANGE OF PROFESSIONAL LEADERS

Serving institutional investors, REITs, operators, hedge funds, family offices, and more

WHO WE SERVE

Advisory tailored to every CRE stakeholder

Advisors
Move faster with standardized, reliable data
Lenders
Reduce risk with robust data and forecasts
Investors
Optimize capital allocation with confidence
Brokers
Differentiate with timely, credible insight
REIT Executives
Assessors
Portfolio Managers
Credit Risk Management
Family Offices
Pension Funds
Consumer Brands
Law Firms

OUR TEAM OF EXPERTS

Dedicated to supporting clients, investors & partners worldwide

Meet Our Advisory Team

Advisory Team

Whether you’re after sharp market insights, local intel, or in-depth answers to advance your strategies, our team of experts are ready to help.
  • Dirk Aulabaugh
    EVP, Global Head of Advisory Services

  • Bayle Smith
    Managing Director, Advisory Services

  • Andrew Simmons
    Managing Director, Advisory Services

  • Nathan Siino
    Senior Vice President, Advisory Services

  • Tyler Blue
    Senior Vice President, Advisory Services

  • Jake Bracken
    Senior Vice President, Advisory Services

  • Lillian Xia
    Vice President, Advisory Services

  • Samuel Charlton
    Vice President, Advisory Services

  • Gin Chong
    Vice President, Advisory Services

  • Arsalan Obaidullah
    Vice President, Advisory Services

  • Sage Hall
    Vice President, Advisory Services

  • Sage Hall

    Vice President, Advisory Services
    Bio
    Sage is a Vice President in Green Street’s Advisory Group, which provides strategic advisory and valuation analysis for a variety of companies in the commercial real estate business. Since joining the firm in 2020, he has played an instrumental role in engagements focused on transaction advisory, company valuation, and investor messaging in both traditional and non-traditional real estate sectors. Prior to Green Street, Sage worked in acquisitions and asset management for a public non-traded residential REIT. He earned an M.B.A from INSEAD and a B.A. in International Relations from Brigham Young University.
  • Arsalan Obaidullah

    Vice President, Advisory Services
    Bio
    Arsalan joined Green Street’s Advisory & Consulting Group in 2021. He previously worked as a leading analyst on Morgan Stanley’s Equity Research team, covering European utilities, and at Deutsche Bank covering European capital goods. He also has five years of experience as a residential property developer in London, where he focused on small private-capital market projects. Arsalan holds a BSc in Economics from University College London and is Fellow of the Institute of Chartered Accountants in England and Wales.
  • Gin Chong

    Vice President, Advisory Services
    Bio
    Gin is a Vice President in Green Street’s Advisory Services Group and joined the firm in 2021. Prior to Green Street, he held internships in corporate finance at Savills, valuations at Revantage, and transaction strategy at EY-Parthenon. Gin graduated with first class honours in BSc Economics from the University of Warwick.
  • Samuel Charlton

    Vice President, Advisory Services
    Bio
    Sam is a Vice President in Green Street’s Advisory Services group. He joined the firm in 2020 and helps support global real estate investors with investment strategy, capital allocation, transactions, and fundraising. Sam graduated with a Bachelor of Science in Accounting & Finance from the University of Warwick, and as part of his degree undertook an industrial placement in the Equities team at UBS Asset Management in London. Sam speaks French and has successfully passed his CFA Level 1 exam.
  • Lillian Xia

    Vice President, Advisory Services
    Bio
    Lillian is Vice President of Green Street’s Advisory Services Group and brings 12 years of investment experience. Lillian has underwritten and advised on investments across both traditional and non-traditional property types, including cold storage, data centers, farmland, healthcare, industrial, lodging, multifamily, office, retail, single-family rental, student housing, and mixed-use developments. Prior to joining Green Street, Lillian worked in private equity real estate in New York, including as an investment specialist at Cadre, and as an executive with Macquarie’s real estate investments group. She began her career at PIMCO. Lillian is involved with CRE Finance Council (CREFC) and with Urban Land Institute (ULI), serving on the Leadership Council. Lillian earned an M.B.A. from Columbia Business School with a concentration in Real Estate Finance, and a B.A. in Computer Science and Economics from Dartmouth College.
  • Jake Bracken

    Senior Vice President, Advisory Services
    Bio
    Jake is a Senior Vice President in Green Street’s Advisory Group, which provides strategic advisory and valuation analysis for a variety of companies in the commercial real estate industry. Since joining the firm in 2019, he has played an instrumental role in engagements focused on transaction advisory, company valuation, and investor messaging, primarily in the non-traditional property sectors. Prior to Green Street, Jake worked as an associate for a F500 brokerage and custodial firm. He earned a B.S. in Finance from San Diego State University. In addition, Jake is a Chartered Financial Analyst (CFA) charterholder and Chartered Alternative Investment Analyst (CAIA) charterholder.
  • Tyler Blue

    Senior Vice President, Advisory Services
    Bio
    Tyler is Senior Vice President in Green Street’s Advisory Group, which provides strategic advisory and valuation analysis for a variety of commercial real estate companies across the globe. Since joining the firm in 2015, he has played an instrumental role in many types of projects, including portfolio valuation, REIT M&A, pre-IPO, and investor messaging. Tyler is a member of NAIOP. Previously, he worked as an analyst for a private developer in Southern California, where he focused on development and acquisition underwriting for office, hospitality, and mixed-use real estate. Tyler earned an MBA from Arizona State University’s W.P. Carey School of Business with a concentration in financial markets, and a B.S. in Business Administration from California Polytechnic State University, San Luis Obispo.

  • Nathan Siino

    Senior Vice President, Advisory Services
    Bio
    Nathan is Senior Vice President in Green Street’s Advisory Group, where he provides strategic advisory services and valuation analysis to companies across the commercial real estate sector. He has deep expertise in non-traditional real estate, having authored educational primers and guided clients in understanding and valuing complex, often misunderstood asset types. Nathan also leads the Advisory Group’s business throughout Latin America, partnering with management teams to integrate U.S. REIT best practices into their strategic planning. Before joining Green Street, Nathan worked as an acquisitions and asset management analyst at Sabal Financial Group, where he focused on distressed commercial real estate debt. He holds a B.A. in Economics from UCLA and is a Chartered Financial Analyst (CFA) charterholder.
  • Andrew Simmons

    Managing Director, Advisory Services
    Bio
    Andy joined Green Street’s European Advisory team in 2019 and has over 20 years of advisory experience, including 10 years focused on real estate. His experience is across all aspects of the capital structure: Mergers and acquisitions advisory (buy and sell side), equity fund-raising, and debt structuring – working with both listed and private clients to help them develop their growth strategies, identify investment opportunities and then raise the best-fit funding to implement the strategies. Prior to joining Green Street, Andy held roles within the Brookfield Group, Eurohypo, Ernst & Young and JC Rathbone Associates. Andy has an LL.B. (Law) from the University of Edinburgh and is a member of the Institute of Chartered Accountants of Scotland.
  • Bayle Smith

    Managing Director, Advisory Services
    Bio
    Bayle is a Managing Director of Green Street’s Advisory Group, which provides strategic advisory and valuation analysis for a variety of companies in the commercial real estate business. He joined Green Street in 2013 and spent his first two years as an analyst covering office REITs as part of Green Street’s award-winning research team. Within Advisory, Bayle has been instrumental in engagements focused on company & portfolio valuation, capital allocation strategy, IPO advisory, and REIT best practices. He earned a B.S. in Business Administration with a concentration in Real Estate Finance at the University of Southern California’s Marshall School of Business. Bayle is a Chartered Financial Analyst (CFA) charterholder.
  • Dirk Aulabaugh

    EVP, Global Head of Advisory Services
    Bio
    In recent years, the Advisory team has worked alongside numerous real estate private equity firms, pension funds, institutional investors and Fortune 500 companies as they seek to answer complicated questions regarding capital allocation, real estate monetization opportunities and strategic alternatives for real estate platforms and portfolios. The group focuses on offering strategic and independent advice to a global client list including REITs, investors, and corporations across all real estate sectors and geographic markets.

    Engagements led by Dirk and his team include acting as financial advisors to special committees of public real estate company boards (REITs and C-corps) and being strategic advisors on several IPOs and REIT conversions in the US and abroad. The team also regularly performs entity-level valuations on companies ranging in size from $500.0 million to $10.0+ billion. Additionally, the Advisory Group has advised global investors on capital allocation decisions across property sectors in the public and private real estate capital markets.

    Dirk’s trusted perspective on real estate and its capital markets stems from more than 30 years working in both the public and private real estate markets. Prior to joining Green Street, he was a leader with an independent global professional services firm focused on corporate and transaction real estate advisory. Earlier in Dirk’s career, he also worked as an equity analyst covering REITs in the apartment, industrial, retail, office and self-storage sectors at an investment bank.

    Quoted in The Wall Street Journal, Bloomberg and New York Times, among other prominent industry publications, Dirk speaks frequently at real estate industry conferences. He is a full member of the Urban Land Institute (ULI), the National Association of Real Estate Investment Trusts (NAREIT), and the Appraisal Institute. In addition, he holds California broker’s and Series 65 licenses.

    Dirk earned an M.A. in Business Administration with a concentration in Real Estate, and a B.S. in Business Administration with a concentration in Finance from the University of Florida. He co-chairs Green Street’s Diversity, Equity and Inclusion (DEI) Council and is a
    member of the Real Estate Advisory Board for the University of Florida’s Warrington College of Business Administration.

WHY GREEN STREET?

Independent, predictive intelligence you can trust

We combine proprietary market analytics, objective insight, and 40 years of sector leadership to guide decisions that shape the future of real estate. 

THE MORE YOU KNOW

Frequently asked questions

What makes Green Street Advisory different?

With 40+ years of data and engagements structured to maintain objectivity, Green Street Advisory is best positioned to provide results-oriented advice and recommendations while remaining completely independent.

Request a demo to see
CRE analysis in action.