Management Team

Photo of Allan Coffee Allan Coffee Senior Associate
714-343-7014

Professional Summary:

  • 28+ years of helping clients with built environments (clients include environmental consultancies, government agencies, property owners, equity and debt firms)
  • Blackstone ESA services lead since 2015, including oversight and management of technical approach and project budgeting for Due Diligence, Phase I ESAs, and Building Surveys
  •  Thought leader with expertise in property-specific environmental oversight, regulation, and liability

Key Project Experience:

  • Directed regional operations for a national full-service environmental consulting company, including:
    • Soil/groundwater and other environmental services
    • Asbestos, lead, and other regulated building materials
    • Occupational monitoring and negative exposure assessments
    • Air quality control (moisture, microbial growth, etc.)
  • Directed environmental geology services for an environmental consulting company, including technical approach, project budgeting, and accounting
  • 1,000+ due diligence management assignments relating to Phase I ESAs, Property Condition Assessments, and Construction Document Review

Education and Industry Credentials:

  • BS, Psychology, University of California at Los Angeles
  • OSHA 40-Hour Hazardous Waste Operator and Emergency Response
  • NIOSH 582 Analyst Equivalent Certification
  • Indoor Air Quality Specialist/Inspector

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Photo of Sarah L. Denton PG CHG CEM Sarah L. Denton PG CHG CEM Senior Associate

Professional Summary:

  • 16+ years specializing in site characterization, litigation support, redevelopment strategies, Due Diligence, ESAs, remediation, auditing, and environmental permitting
  • Experienced professional in the following areas:
    • Property redevelopment (Brownfields, military, oil field, industrial)
    • NEPA/CEQA environmental screening, evaluation; and permitting
    • Risk assessment and litigation/trial support,
    • Habitat evaluation and biological resources management
  • Manager, Blackstone Specialty Environmental Team

Key Project Experience:

  • Oversees all phases of site redevelopment, including initial site characterization, agency negotiation, remediation design and implementation, and regulatory case closure
  • Experienced NEPA/CEQA evaluator, including Initial Studies preparation, Environmental Impact Reports, Environmental Impact Statements, Negative Declarations, and Mitigated Negative Declarations
  • Supported high-leverage litigation projects, including testimony preparation and presentation, trial strategy development, project file assessments, site characterizations
  • Additional project experience includes:
    • Site-specific data gathering, analysis, and reporting solutions to support statistical and risk analyses and site modeling
    • Site auditing and various permitting needs at all levels, including Title V air permitting, storm-water plans, and hazardous materials management planning
    • Biological and habitat impacts evaluation, mitigation, and monitoring for agency approval to facilitate project completion in accordance with applicable regulations

Education and Industry Credentials

  • Professional Geologist  – California Required Supplemental License
  • Certified Hydrogeologist – California
  • Certified Environmental Manager  – Nevada
  • 40-Hour OSHA Training, OSHA Site Supervisor Training, OSHA Trench and Shoring Supervisor

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Photo of Sean T. Dundon Sean T. Dundon Co-Founder, Principal, Director of Business Development
207-615-0035

Professional Summary:

  • 25+ years technical and management experience in environmental and property condition due diligence, construction document review and monitoring, environmental site investigation, energy audits, and benchmarking
  • Has managed hundreds of due diligence projects, helping equity position owners and lenders assess their financial risks relating to energy efficiency, deferred maintenance, construction defects, and environmental liabilities
  • Manages and services many Blackstone national clients, including institutional investors, life-insurance companies, publicly-traded and private REITs, legal counsel, lenders, developers, corporate real estate, and brokers

Key Project Experience:

  • Managed 1,000+ due diligence assignments relating to Phase I Environmental Site Assessments, Property Condition Assessments, Construction Document Review, and Construction Monitoring for equity and debt clients
  • Managed constructability document review and construction progress monitoring of 500+ Low-Income Housing Tax Credit (LIHTC) development projects throughout the United States, the Caribbean, and Guam
  • Environmental due diligence assessments for acquisitions and divestitures for major equity funds, banking institutions, and legal clients relating to the printing, semiconductor, metal fabrication, and plastics industries
  • Insurance claim investigations relating to underground storage tanks, bulk storage facilities, hazardous substance releases, and radiological releases

Education and Professional Affiliations:

  • BS – Public Health, University of Massachusetts, Amherst
  • MS – Nuclear Engineering, University of New Mexico
  • MBA – Finance, Bryant College
  • National Multifamily Housing Council (NMHC) Member
  • National Historic and Rehabilitation Association (NH&RA) Member
  • Planning Board, City of Portland, Maine (Vice-Chair)

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Photo of Fewzi Fardeheb RA, NCARB, LEED GA Fewzi Fardeheb RA, NCARB, LEED GA Senior Architect, Senior Associate
818-425-5717

Professional Summary:

  • California-licensed architect with 25+ years conducting due diligence and real estate related Property Condition Assessment assignments for institutional and private equity clients
  • Thought leader with extensive knowledge of the Americans with Disabilities Act, having completed accessibility surveys on hundreds of commercial buildings
  • Manager, Blackstone Property Condition Assessment Group, with responsibilities including overall project management and technical review

Key Project Experience:

Education

  • Has completed 2,000+ Property Condition Assessments throughout the United States and prepared curative budgets to remedy physical deficiencies for projects ranging from 70-story highrise office towers to complex full-service hotels with 1,000+ rooms
  • Oversaw ADA compliance of 55 shopping centers, office buildings, and business parks, as well as large-scale educational institutions, such as:
    • University of Maryland (8M sq. ft.)
    • George Mason University (2.7M sq. ft.)
    • California State University (1,300-acre former military base and 20 campuses of 43M sq. ft. and 1,500+ buildings)
  • Completed PCAs of all Shuttle Mission Support buildings for JPL/NASA campus in Pasadena, California, exceeding 1M sq. ft.

Professional Affiliations:

  • BS – Architecture
  • MS – Architecture, University of California, Los Angeles (UCLA)
  • MA – Architecture, UCLA
  • Registered Architect, State of California (Reg# C24886)
  • National Council of Architectrual and Registration Boards (NCARB)

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Photo of Stephen E. Manelis Stephen E. Manelis Co-Founder, Principal, Managing Partner
845-986-7992

Professional Summary:

  • 25+ years of commercial real estate due diligence, including environmental and building condition consulting, as well as related technical advisory specific to real estate transactions, mergers/acquisitions, and property development
  • Expert in Phase I ESAs; Property Condition Assessments (PCAs); Vapor Intrusion / Risk Management; Environmental Compliance/Audit; Asbestos, Lead-based Paint, Radon, and Mold/IAQ
  • Additional expertise in soil/groundwater contamination assessments and regulatory agency coordination, remedial-action planning and management, and pre-construction technical support for urban redevelopment / Brownfields

Key Project Experience:

  • 6,500+ Phase I ESA and PCA reports for clients such as Private Equity Real Estate (PERE), Fannie Mae/Freddie Mac underwriters, REITs, large national and regional banks, private/public investment groups, and fiduciaries
  • Project Manager for due diligence of a multi-building 75-acre industrial park acquisition with past manufacturing operations, underground storage tanks, hazardous materials storage, and groundwater contamination migration:
    • Client was a private-equity / pension fund investor
    • Environmental issues included past manufacturing operations, underground storage tanks, and groundwater contamination migration
    • Response included Phase I ESA and Phase II subsurface investigation, leading to a timely, cost-effective acquisition
  • Technical Leader for redevelopment of property that had housed a former vehicle repair facility, a furniture stripper, a machine shop, and a light manufacturer:
    • Client was publicly traded multi-family REIT; project included mid-rise 220-unit multi-family housing development with subterranean parking
    • Remediation risk and cost defined during due diligence, allowing transaction to occur before regulatory closure achieved
    • Remediation activities of soil and groundwater performed in conjunction with construction, saving money and fast-tracking regulatory closure

 

Education and Professional Credentials:

  • BS – Natural Resource Development, University of Rhode Island
  • ASTM E-50 Committee for Environmental Assessment
  • Liability Design for Environmental Professionals (DPIC Companies)
Photo of Joshua M. Marrow PE, SECB Joshua M. Marrow PE, SECB Senior Associate, Director of Seismic and Structural Engineering

Professional Summary:

• 20+ years of structural engineering and seismic risk consulting experience
• Technical expertise in structural design for new and existing buildings, seismic risk assessments, structural/forensic investigations and litigation consulting, construction engineering, and corporate business continuity planning
• Thought leader who has developed seismic risk national standards, lender policy, and scopes of work for the commercial real estate industry 

Selected Project Experience:

  • Lead engineer on 7,000+ site-specific and portfolio seismic risk assessments, including seismic risk evaluations, probabilistic and scenario losses, multi-hazard analyses, and business disruption and loss mitigation assessments
  • Lead engineer on 13-story high-rise facility, including nonlinear dynamic seismic evaluation of a moment-resisting steel frame tower with supplemental passive viscous damping retrofit solution
  • Project engineer for new 4-story telecom collocation facility, involving precast, mild reinforced concrete construction, mat foundations, and performance-based seismic design criteria utilized for business continuity
  • Directed the seismic risk evaluation of the acquisition of a 104-site industrial portfolio, scattered throughout seismically active states
  • Project engineer for a $125M water intrusion and structural defect litigation, investigating curtain wall failures, mold intrusion and structural system Code violations, and defective welded steel construction

Education And Professional Credentials:

  • BS—Architectural Engineering, California Polytechnic University
  • MS—Structural Engineering and Mechanics of Materials (SEMM), University of California, Berkeley
  • Licensed engineer in California (C63016) and Washington (C53089)
  • Certified by Structural Engineering Certification Board (SECB) and National Council of Examiners for Engineering and Surveying (NCEES)
  • American Society of Testing and Standards (ASTM), E2026/E2557 Seismic Due Diligence Task Group Co-Chair

 

 

Photo of Natalie J. McDonald Natalie J. McDonald CFO & Principal

Professional Summary:

As a Certified Public Accountant with over 20 years of experience in accounting and finance, taxation and business advisory, Ms. McDonald serves as Blackstone’s Chief Financial Officer and is responsible for managing the accounting, finance, budgeting, and human resource teams.

Selected Project Experience:

Ms. McDonald has been with Blackstone since its inception.  Prior to this Ms. McDonald’s professional career includes over a decade with an international accounting firm in Australia, Ft. Lauderdale, New York City and Boston. Initially, she specialized in the audit of clients having significant equity or debt investments in the real estate industry; experience includes audit team management, preparation of information for public filings and initial registration of stock, and preparation of financial information for securitization of subordinate mortgage transactions. Ms. McDonald broadened her expertise by joining the firm’s merger and acquisitions group in New York. Her responsibilities included oversight of all phases of financial due diligence; review of valuation models; planning strategic accounting structuring alternatives for equity buyers, and preparation and review of accounting matters in debt and equity registration statements.

Education and Professional Affiliations:

  • University of Western Australia, Bachelor of Commerce
  • American Institute of Certified Public Accountants
  • Institute of Chartered Accountants, Australia
  • Association of Chartered Accountants, US
Photo of Rebecca L. Renick Rebecca L. Renick Principal

Professional Summary:

Ms. Renick has over 14 years of management experience in environmental and physical due diligence. Ms. Renick is responsible for managing Phase I Environmental Site Assessments, physical needs assessments, mold/moisture infiltration Assessments, asbestos, lead-based paint and radon testing; and the management and administration of Fannie Mae, Freddie Mac, HUD and conventional portfolio transactions from initial quote process, client presentation, and coordination with operations, environmental, and engineering departments through final report and any required modifications.

Selected Project Experience:

  • Responsible for cultivating, establishing, and maintaining client relationships.
  • Develop and execute solutions for multiple projects, which require close communication with clients, internal inspectors, and top management. Responsible for a range of client and internal presentations.
  • Effectively managed client relationships and portfolios for the past seven years with the country’s largest multifamily property owners/managers and lenders, including AIMCO, NorthMarq Capital, Wells Fargo Bank, N.A., APRO-REIT, KeyBank Real Estate Capital, and Fannie Mae. Client portfolios included as many as 25 properties.
  • Managed the Maryland Department of Housing and Community Development physical inspections contract ($500K/year) from 1998-2003.
  • Responsible for daily scheduling of 12+ property evaluators within environmental and engineering departments. Relayed project information on a daily basis to both inspector and client.

Education and Professional Affiliations:

  • B.A., Rutgers University, 1997, English. Cumulative GPA 3.45
  • Rutgers University Women’s Varsity Crew Team
  • Junior year at University of Exeter, England
Photo of Amine S. Riouch Amine S. Riouch Principal

Professional Summary:

  • 23+ years of experience in project management, feasibility studies, field engineering, construction document review, commercial property inspection, construction monitoring, plan and cost review, and construction administration
  • Extensive field experience, including observation and project management to help guide Blackstone clients as they make critical decisions in development, new construction, renovation, acquisition, and disposition
  • Expertise in commercial, industrial and residential property types, model building codes, construction means and methods, construction materials, building systems, contracting, scheduling, and estimating

Key Project Experience:

  • Performed Plan and Cost Reviews of complex projects sized from $2M to $200M to assess feasibility, suitability, and adequacy of construction documents, contract documents, construction costs, schedules, development budgets, and procurement of governmental approvals, as well as compliance with building codes and construction loan agreements
  • Monitored the construction disbursement of projects valued at over $5B aggregate for various stakeholders, including lending institutions, real estate investment trusts, equity investors, developers, and owners
  • Conducted monthly Commercial Inspections, documenting progress and compliance with contract and loan documents, as well as Residential and Commercial A&D Cost Reviews, to verify project costs and assess the suitability of plans and specifications

Education and Professional Credentials:

  • BS – Civil Engineering Technology, Southern College of Technology
  • Post-Baccalaureate – Civil Engineering, Vanderbilt University
  • MS – Construction, Southern Polytechnic State University
  • Certified building inspector, International Code Council (ICC) #CN-5190028-B5