Get to Know Us
Assessment Leadership Team
Executive Managing Director
Ms. Doerner has over 15 years of experience in the environmental and engineering due diligence industry. As the Executive Managing Director of Operations for BBG Assessment, Ms. Doerner is responsible for the development and implementation of operational processes to drive sustainable growth across BBG’s assessment service line. She oversees the workflow process and is responsible for creating and implementing staff performance and quality evaluations to ensure a consistent, high quality report is delivered every time. With over 10 years dedicated to supporting commercial real estate clients in NYC, Ms. Doerner has been able to use her prior experience to develop procedures that streamline the due diligence process. She has created processes that enhance the customer’s ability to obtain salient data and details quickly so that informed decisions can be made.
Executive Managing Director
Eric Correia is an Executive Managing Director at BBG with over 20 years in the real estate due diligence industry. Eric’s career has spanned all facets of due diligence services, including performing and reviewing thousands of environmental and engineering site assessments. His attention to detail and commitment to the successful completion of each project resulted in holding positions as Quality Control Manager, Technical Director and most recently Senior Managing Director, Client Services. Eric played an instrumental role in the development of the client manager (CM) model when he joined BBG and was responsible for overseeing all CM teams which included load balancing and providing hands-on training.
In Eric’s role as EMD, Core Services, he is responsible for workflow and efficiency modeling, formulating and communicating policies, ensuring goals are met, and planning the use of internal resources to optimize efficiencies, output and profits associated with BBG’s core service lines. He works closely with the environmental assessment, property condition assessment, and seismic assessment division leads to manage strategic hiring initiatives, training programs, and template improvements.
Senior Managing Director
Crystal Walters has over 14 years of experience in the environmental due diligence industry. She has conducted Environmental Site Assessments (ESAs) for a wide range of local and national clients, including banks, agency lenders, investment banks, life companies, law firms and property owners. The properties she has evaluated have included multifamily residential, retail, office, industrial and hospitality facilities.
Ms. Walters has conducted hundreds of ESAs in accordance with ASTM E1527, the USEPA All Appropriate Inquiry rules, Fannie Mae Delegated Underwriting Standards, Freddie Mac guidelines and other client specific scopes of work. Based on her experience and education, he meets the definition of an Environmental Professional as defined in §312.10 of 40 CFR 312. Her environmental background includes a detailed understanding of the risks associated with hazardous and regulated materials storage, use generation and disposal, above ground and underground storage tanks and polychlorinated biphenyls (PCBs), as well as the ASTM non-scope considerations of asbestos, lead-based paint, radon and microbial growth.
Additional areas of environmental experience include conducting due diligence Phase II Environmental Site Assessments for a variety of properties, permitting stream and wetland impacts and permitting for municipal water and wastewater treatment facilities. In addition, routine sampling of groundwater, drinking water, and wastewater for various properties including municipal landfills, wastewater treatment plants, chemical plants, and other commercial properties. Throughout her career she has held the following licenses or certifications as required by her responsibilities: SC DHEC AHERA Asbestos Inspector (BI-00830), NC DHHS Lead based Paint Inspector (110193), and Virginia Erosion and Sediment Control Inspector.
AIA, LEED AP
Senior Managing Director
Joseph is currently a Senior Managing Director for BBG working out of the New York office. He oversees BBG’s Property Condition Assessment Group which provides inspection and assessment services for banks, agency lenders, investment banks, life companies, and property owners. Services include facilities planning, property condition assessments, budget reviews, specialty inspections, and peer reviews of exiting real estate service reports.
He has more than 26 years of professional practice as an Architect involved in all phases of design, construction, and building assessments. This includes facilities planning, building evaluations and inspections, cost estimating, and construction oversight and administration.
He has over 12 years of experience dedicated to the real estate service industry performing in a variety of capacities, ranging from overseeing BBG’s PCA team, to managing individual client programs, to performing quality control reviews of reports, to serving as a technical resource. He has also self- performed hundreds of property condition assessments and building inspections. He currently manages and oversees BBG’s quality control review staff and the field assessment staff nationwide.
The properties he has evaluated have included multifamily, retail, office, warehouse, and self-storage, industrial, and hospitality facilities. He is experienced in assessing site improvements, building structures and envelopes, mechanical, electrical, and plumbing systems, and fire/life safety systems for evidence of deferred maintenance or problematic or deleterious materials.
He also is involved in developing and advancing the overall team and implementing strategic initiatives to further insure successful client outcomes.
Blaine S. Bauman, EP
Senior Managing Director
Blaine Bauman has more than 25 years of broad-based environmental consulting and building sciences experience in the environmental and engineering industries. He is an Environmental Professional as well as Property Condition Assessment Specialist, responsible for the execution of environmental and engineering real estate services for major financial institutions.
As an extension of Property Assessment services, Mr. Bauman has been trained in LEED New Construction and Existing Building Rating Systems, as well as green/sustainable, high-performance building construction implementation strategies. Other areas of expertise include information systems development and management, computer-aided drafting and design, civil site development, and retail gasoline station development.
Senior Managing Director
Indoor Air Quality
Mr. Brian Meyer has over 20 years of experience in the environmental health and real estate due diligence consulting industry, serving clients by managing a wide variety of projects at industrial, commercial, state and local government entities, schools and multifamily housing throughout the United States. He has designed, conducted, and managed Asbestos, Lead, Radon, and Indoor Air Quality surveys, investigations, and remediation projects. He provides guidance to his clients including regulatory compliance, training and development of recommendations for the protection of employees, building occupants and the environment.
Mr. Meyer has completed asbestos survey projects on sites from large regional hospital campuses of over a million square feet to university campuses, large metropolitan school districts, paper mills, foundries, commercial buildings, and apartment complexes. Mr. Meyer also completes asbestos abatement project designs and facility asbestos management plans. His background also includes the completion and management of lead based paint inspections and risk assessments of single family residences through federal grants to multifamily housing complexes seeking HUD funding. Mr. Meyer also provides indoor air quality consulting to national employers seeking to provide a safe working environment for their employees. Concerns ranging from moisture intrusion, mold, bacteria, formaldehyde, volatile organic compounds, radon, water quality, noise, and light.
Mr. Meyer has been responsible for the scheduling of staff-level employees and subcontractors, training and management of personnel conducting Phase I Environmental Site Assessments and Property Condition Assessments for over 14 years on over one-hundred thousand projects. This includes recruiting of talent, managing subcontractors and implementing quality control measures.
Mr. Meyer has performed phase I environmental site assessments and property condition assessments on all types of commercial properties including but not limited to mobile home communities, multifamily complexes, skilled nursing / assisted living facilities, low rise commercial buildings, retail properties, and industrial facilities.
Christopher Stang, PG
Senior Managing Director
Mr. Christopher Stang is a Professional Geologist (PG) with more than 18 years of experience in the environmental and real estate consulting industry. He has conducted Environmental Site Assessments (ESAs) for a wide range of local and national clients, including banks, agency lenders, investment banks, life companies, law firms and property owners. The properties he has evaluated have included multifamily residential, retail, office, industrial and hospitality facilities.
Mr. Stang has conducted or reviewed hundreds of ESAs in accordance with ASTM E1527, the USEPA All Appropriate Inquiry rules, Fannie Mae Delegated Underwriting Standards, Freddie Mac guidelines and other client specific scopes of work. Based on his experience and education, he meets the definition of an Environmental Professional as defined in §312.10 of 40 CFR 312. His environmental background includes a detailed understanding of the risks associated with hazardous and regulated materials storage, use generation and disposal, above ground and underground storage tanks and polychlorinated biphenyls (PCBs), as well as the ASTM non-scope considerations of asbestos, lead-based paint, radon and microbial growth. Mr. Stang has also managed and performed many remedial invitation (RI) site assessments at sites across the county and has also conducted site remediation activities including implementing free product removal, groundwater pump and treat, soil venting, bio-sparging technologies, in situ chemical oxidation (ISCO) via sub-surface injection or soil blending, and air-sparge/soil vapor extraction.
Mr. Stang’s technical experience includes geologic and hydrogeologic aspects of subsurface investigations associated with contaminant migration at petrochemical, chlorinated solvent and hazardous waste sites. Mr. Stang has performed multiple vapor intrusion assessments and his experience also includes recovery and monitor well installation; aquifer testing, including slug tests and pump tests, groundwater remediation and design; vapor, soil, water, industrial waste stream sampling and geophysical surveys with the government and private sectors.
Senior Managing Director
Mr. Richard Vallejo has 20 years of experience in the real estate due diligence industry, where he was instrumental in the development and elevation of what is known today as BBG Assessments, LLC. He maintains a Senior Managing Director position where he manages the Project Coordinators and Centralized Staffing groups, as well as lending support to Client Managers, Sales, and Operations.
Mr. Vallejo began his career in 2002 as an Accounting Manager for a real estate due diligence assessment company and appraisal firm, managing millions of dollars in receivables. After the assessment company was acquired in 2004, he continued to provide accounts receivable supervision over multiple offices nationwide while evolving his services to the appraisal firm to include contract management, licensing, project bidding, and project coordination.
Mr. Vallejo saw the appraisal firm acquired in late 2007, where he again evolved his services to include direct client management, negotiating projects services, fees and timing with national clients for appraisal services, with special attention to special use type properties to include churches, schools, cemeteries, private schools and universities.
Mr. Vallejo continued to provide multi-level management services during a managerial takeover of the appraisal services in 2008, where his services now included the managing of the Houston appraisal office.
Mr. Vallejo was invited to initiate a test program for the environmental and property condition assessment services in late 2009, where he played a key role in maintaining report templates, setting up relationships with Professional Associates, setting pricing from environmental resource providers, lab services and testing products, as well as project coordination. He continued to negotiate on behalf of appraisal service as well as the assessment due diligence to provide project fee & timing for all types of clients, including agency lenders, construction lenders, institutional investors, owners & corporations, and insurance companies.
Mr. Vallejo’s experience in the environmental health and real estate due diligence consulting industry includes providing services to a wide range of clients for Environmental Phase I, Phase II, Property Condition, Seismic Studies, Small Balance Loans, Plan & Cost Reviews, and Third-Party Desktop Reviews.
Scott Cameron, RA, AIA
Scott Cameron has 30 years of experience within the architectural and building construction industry, of which, he’s been a licensed architect for the past 23 years. Mr. Cameron’s experience includes over 20 years’ experience within the Construction and Property Condition real estate industry. He has conducted Property Condition Assessments (PCAs), Construction Status Reports (CSRs), Construction Document Reports (CDRs), Cost-to-Complete Reports (CTCs), and Construction Loan Monitoring Reports (CLMs) and Phase I environmental Site Assessments for a wide range of local and national clients, including banks, agency lenders, investment banks, life companies, law firms, and property owners. The properties he has evaluated have included private and public sectors, including hospitality, office, retail, commercial, healthcare, multifamily, K-12, higher education, industrial, and warehouse facilities. A good portion of Mr. Cameron’s experience has been managing large portfolios of construction projects where he served as the senior architect responsible for approving funds for the value of work-in-place. Mr. Cameron has also managed teams of Architects, Engineers and Construction Professionals for the completion of Property Condition Assessments and Construction Monitoring Reports.
Rebecca Fletcher, ALTA/NSPS
Rebecca Fletcher has been working as a project manager for almost 10 years. She started in the area of Zoning in 2013 and then transitioned to ALTA Surveys in 2018. Having worked in customer service, customer retention, and retail wireless sales previously, her project management style is very customer-centric. Rebecca prides herself on finding flexible solutions to ensure every client gets what they need. She particularly enjoys finding innovative answers to complex problems.
Joshua Marrow, P.E., SECB
Mr. Marrow leads the seismic group and brings more than two decades of experience in structural engineering and seismic risk consulting. His expertise focuses on structural design for new and existing buildings, seismic risk assessments, structural/ forensic investigations and litigation consulting, and construction engineering.
Throughout his career, Mr. Marrow has conducted several thousand site-specific and portfolio seismic risk assessments. His experience includes forensics and litigation consulting, such as investigations into structural failures, construction and defect and budget analysis, and reviews of insurance claims for residential and commercial structures.
Mr. Marrow has participated in building code development committees for national and regional building code standards, served as the technical chair for a task group on seismic risk assessments, and authored seismic policies for lenders, investors and Fannie Mae and Freddie Mac.
Paul Stellato provides technical leadership for BBG’s Phase II Subsurface Investigations Group which is responsible for providing the oversight and development of site investigations, subsurface inspections, and assessment services. Mr. Stellato has more than 17 years of experience in the environmental and due diligence consulting industry, conducting Phase II Environmental Site Assessments (ESAs) for a wide range of national and local clients including banks, agency lenders, property developers, law firms, and property owners. Mr. Stellato has conducted or reviewed thousands of Phase II ESAs at sites across the country. The properties he has evaluated have included commercial retail, industrial, and multifamily residential facilities. Based on his experience and education, he meets the definition of an Environmental Professional as defined in §312.10 of 40 CFR 312.
Mr. Stellato’s technical experience includes a wide variety of geologic and hydrogeologic aspects of subsurface investigations. In addition to conducting a multitude of Phase II Assessments, Mr. Stellato has performed numerous soil and groundwater remedial investigations, monitoring well installations, UST removals, geophysical surveys, and vapor assessment and mitigation projects, working both within the private sector and alongside governmental regulatory agencies. His broad experience allows him the ability to manage a wide assortment of responsibilities, relying on his strong communication, organization, and problem-solving skills.
Rosetta Taylor has over 12 years of experience in the zoning real estate industry. She has researched, written or reviewed hundreds of zoning reports for a wide range of CMBS, Fannie Mae, Freddie Mac, life company and other lenders. She is currently responsible for the Zoning team operations, product management and client relationships for BBG’s national real estate Zoning Analysis platform.
BBG offers comprehensive zoning services including site zoning analysis, legal conformity and compliance review. Related products include zoning letters, reports, real estate services and more. Ms. Taylor manages services nationwide through focusing on product quality, client relationships and providing the best customer service and product base in the zoning industry. She provides extensive zoning experience which enables her to provide clients with a precise and professional understanding of the zoning product.