EDUCATION
Master of Business Administration,
Western Michigan University - 1998
Bachelor of Science, Calvin College - 1989

EXPERIENCE
Greg leads The Granger Group’s development and financing
teams. He is the primary client liaison from a project’s financial
feasibility, through project management, to execution and delivery.
Greg carries with him a wealth of knowledge and over 20 years of
experience in the areas of commercial development and real estate
financing. His extensive project resume includes the successful
development of general office, educational, and governmental
projects, medical campus developments, medical-based wellness
centers, healthplex facilities, ASCs, LTACs, and medical office
buildings for business and hospital entities located throughout
the United States.  

Greg Markvluwer, M.B.A.
Senior Vice President of Development & Financial Services

EDUCATION
Ross School of Business, University
of Michigan - Master in Business
Administration - candidate, Class of 2009
Bachelor of Science in Mechanical
Engineering, Calvin College, 2000

EXPERIENCE
As Director of Development for The Granger Group, Jake’s
portfolio of development experience includes numerous facilities,
for which he has provided a complete range of developmental
services. Jake leads the development process from initial proposal
to project completion to ensure the building owner and tenant get
the most value for the budget and that the project is completed on
time. Jake has been instrumental in the successful development of
a variety of projects, among them a 23,000-square-foot office/
headstart facility for Mid Michigan Community Action Agency,
located in Clare, Michigan, and Select Specialty Hospital’s
41,000-square-foot, 52 bed, Long Term Acute Care facility, in
Omaha, Nebraska. For Metro Health Hospital’s move to its new
site in Wyoming, Michigan, Jake took the lead in the successful
demolition of the hospital’s former facility and preparation
of that site for redevelopment. Jake’s project portfolio also
includes the new, Michigan State Police Headquarters, a high
security, 148,000- square-foot, 5-story facility, currently under
development in Lansing, Michigan.

Jake Chapman
Director of Development

EDUCATION
Bachelor of Science,
Ferris State University - 2004

EXPERIENCE
Jason has five years of experience in commercial financing and
development from the financial analysis stage through project
development and close-out. Jason joined The Granger Group
as Director of Development and has been intricately involved
in the development of Metro Health Village as well as other key
projects. Prior to joining The Granger Group, Jason was with
Independent Bank Corporation in Ionia, MI where he was a
Director of Commercial Lending. His responsibilities included
commercial loan analysis, business case preparation, technology
project development & oversight, as well as monitoring asset-
based lending policies.

Jason Granger
Director of Development

EDUCATION
Baker College, Muskegon, MI -
Bachelors of Business Leadership 2006
Licensed Real Estate Professional -
State of Michigan

EXPERIENCE
As the Director of Property Management for the Granger
Group, Sarah oversees activities related to the management
of 1 million square feet of commercial, retail and industrial
property. In this role, she leads her team to perform a wide
scope of property management activities including: budget
preparation and execution, building operations, facility
maintenance and repairs, tenant relations, and project
management. Sarah joined the Granger Group in 2006 after
working for 6 years with a multi-state residential developer
focusing in construction and property management.

Sarah Tyler
Director of Property Management

EDUCATION
Masters of Business Administration,
University of Phoenix - 2005
Bachelors of Business Administration,
Northwood University, - 1995
Uniform Certified Public Accountancy
Exam Passed - 1996

EXPERIENCE
Barbara joined The Granger Group in February 2005 as
Controller with fifteen years experience in various aspects of
construction, commercial and residential real estate and condominium construction. This experience was gained
with companies in the industry and with others where real
estate and construction is an investment. She came to us from
Finsilver Friedman Management Corporation of Farmington
Hills, Michigan overseeing the accounting for condominium
conversion projects as well as the related home owner
associations, plus residential and commercial real
estate properties.

Barbara Powlison
Controller

 

EDUCATION
Graduate Owner/President Management
Program, Harvard Business School - 1992
Bachelor of Science in Architectural
Engineering, University of Colorado - 1997

EXPERIENCE
Gary is the founder and owner of The Granger Group. He
has 30 years of experience in leadership of all phases of the
development process. He is a dynamic leader who demands
quality and commitment on every project he is involved in.
Prior to founding The Granger Group, Gary worked in his
family’s business, Granger Construction Company, and
acted as President for the last five years; the company grew
significantly during his tenure. In 1997, Gary established
The Granger Group to pursue his vision of achieving an extraordinary level of excellence in delivering the built
environment.

In its first 10 years, The Granger Group has established
many essential business and community partnerships.
These relationships have led to more than $700 million
dollars worth of successful developments in Michigan
and throughout the country, firmly establishing The
Granger Group as an innovative leader in the
development and design/build industry.

EDUCATION
Bachelor of Science in Business, Michigan State University
Designations: LEED AP, EDAC (Evidence-Based Design
Accreditation and Certification)

EXPERIENCE
Jeff has over twenty years experience in real estate development,
sales, leasing, design, construction and management. During this
time he has provided valuable real estate consultation to many
clients and owners, helping them develop intelligent solutions to
their real estate needs. He is experienced in pulling together the
resources needed to help develop creative solutions for clients
seeking to improve productivity in the workplace, better teaching
and learning in educational facilities and improved outcomes and
revenue generation in healthcare environments. Jeff has worked
with organizations including Comcast, Fifth Third Bank
Corporation, Pfizer, AAA, Michigan State University Federal
Credit Union, United States Postal Service, Valspar Corporation,
Spectrum Health and Medtronic, Inc. Jeff is a licensed real estate
broker, a LEED Accredited Professional and has been awarded
the EDAC designation (Evidence Based Design Accreditation
and Certification) by the Center for Health Design.

Jeff Lehman, EDAC, LEED AP
Director of Marketing

EDUCATION
1981 - 1987: University of Cincinnati
Bachelor of Architecture with Thesis
Cooperative Education Certificate
Fine Arts Minor

EXPERIENCE
Joe has 25 years of experience in the architectural and consulting
arenas. He passionately leads strategic planning sessions for
clients, facilitating multiple groups and facets of an organization’s
operations. He has laser focus on the strategic effectiveness of the
work environment, from the development of business objectives
to the facilitation of an integrated delivery. Joe brings an expertise
that encompasses strategic consulting, operational performance,
workplace analysis and effectiveness, sustainable impacts
measurement and long term facility planning. Joe’s previous
experience is linked to companies such as Proctor & Gamble,
Steelcase, Ohio University, Novartis, BellSouth, AOL, and
United Health Group.

Joseph Ditonto, AIA, LEED AP
Director of Design & Research

EDUCATION
MArch - Architecture, Miami University (Ohio) - 1976
BArch - Architecture, Ball State University - 1976
BS - Mathematics, Ball State University - 1975
Attended - General Studies, Vincennes University - 1967

EXPERIENCE
With over 40 years of diverse experience, John has been
responsible for the architectural design, project/facility
management and master planning to millions of square feet
of projects. He has significant expertise in planning and
programming, contract document production and construction
administration. Prior to joining Spacewerks, he was a construction
manager at a national design/build company. Prior to that, he
served 18 years at URS Corporation as a senior project manager
on over $350 million of commercial, medical and educational
projects. Over the years, John has worked with high profile
institutions such as the U.S. Navy, Pfizer, Steelcase, Michigan
State University Federal Credit Union and Texas A&M
University. John is a registered architect and has a master’s
degree in architecture from Miami University of Ohio.

John Evans, RA, RCARB,
LEED AP

Senior Project Manager

EDUCATION
Lawrence Technological University - Architecture Program
Eastern Michigan University - Construction Technology Program

EXPERIENCE
For over 25 years, Matt has drawn from his design background
and extensive construction expertise to deliver successful projects
to a diverse mix of customers. From initial meeting through the
entire construction process, he remains focused on the balance
between budget, schedule and design. His ability to understand
the goals and objectives of the project allows him to conceptualize
the solutions early in the process. Matt has a pragmatic approach,
starting with “hands-on” field experience and involvement with
due diligence and the entitlement process. Matt’s previous
experience spans across companies like Chrysler/Jeep, University
of Michigan Hospital, American Red Cross, Comcast, Salvation
Army, General Dynamics, General Mills, and NSF International.

Matt Hubbard
Director of Preconstruction Services

EDUCATION
Almeda University, Boise - Bachelor Degree in Business Management & Construction Management
Cedar Valley College - Police Academy in Peace Officer, Arson Investigator Training
El Centro College - Fire Protection Technology Major
Irving Fire Academy - Firefighter Academy - Firefighter
Paramedic Academy - Emergency Medical Technician
Jordon Energy Institute - Alternate Energy Grand Valley
University - Business Major

EXPERIENCE
Will has over 35 years of diverse experience in construction
ranging from project management, estimating, procurement.
He draws from his years of project management and field work
to provide accurate budgets based from conceptual and schematic
drawings. He has been involved in projects surpassing $250 million
for corporate, healthcare, education, and government clients. His
keen attention to detail and nose-to-the-grindstone work ethic
combined with a passionate, positive outlook provides Spacewerks’
clients with assurance of on-time, on-budget projects. Will attended
Almeda University where he received degrees in construction
management and business management.

Will Goosen
Director of Operations
Gary L. Granger, P.E.
President & CEO

 

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