Your partner in success

Silverado Interests was co-founded by father-and-son team Rick and Dan Slaven,  who collectively possess more than 50 years of real estate experience.

Rick Slaven

Rick Slaven

Co-Founding Partner
Dan Slaven

Dan Slaven

Co-Founding Partner
Mark Westerburg

Mark Westerburg

Chief Finanacial Officer

Jimmy Grisham

Chief Investment Officer
Jamie Slagel

Jamie Slagel

Director of Asset Management

Mickey Wittum

Asset Management
Charles Tusa

Charles Tusa

Chief Investment Officer
Lynn Kieffer

Lynn Kieffer

Associate
Maison Vasek

Maison Vasek

Accounting Consultant
Millie Williams Matthews

Millie Matthews

Accounting Consultant
About Rick Slaven

Rick Slaven


Rick Slaven  co-founded Silverado Interests.  He began his career in real estate in 1972 and spent 11 years with the Hines organization based in Houston.  He worked with Morton H. Meyerson beginning in 1987 and successfully invested in multiple real estate product types producing a strong IRR and multiple on over 70 investments realized through the end of 2008.  In 2004, Mr. Slaven was one of the founding partners of E2M and a member of its investment committee.  For E2M’s Value Added Fund I, he helped raise and invest over $300 million.  E2M has since completed a second and third fund that are fully invested. In 2008, Mr. Slaven co-founded Silverado with his son, Dan Slaven, to focus on smaller, individual real estate transactions that were not competitive with E2M. Additionally, Mr. Slaven spent six years on the Investment Advisory Committee to the Board of Regents for the Texas Tech University Endowment. He holds a M.B.A from Harvard University and an electrical engineering undergraduate degree from Texas Tech University.

Dan Slaven


Dan Slaven is a co-founding partner at Silverado.  Dan is responsible for implementing strategies to discover real estate opportunities and foster relationships with our operating partners, while creating returns that are highly satisfactory. Dan’s efforts have played a key role in closing over 100 transactions for Silverado. These transactions include assets in senior care, memory care, limited service hotels, student housing, multi-family, self-storage and retail. Prior to starting Silverado, Dan spent the first nine years of his real estate career as vice president of what became known as MMB-Group. This was a joint venture between Morton H. Meyerson, Manhattan Construction, and Paul Berry. The company focused on vertical development of all commercial real estate product types, including retail, multi-family, medical office, and medical condos. With Dan’s prior roles and his current role at Silverado, he has a vast knowledge of every product type in real estate and can identify value-add projects to produce satisfactory returns. He holds an undergraduate degree from Texas Christian University.  Dan is a member of YPO and sits on the board of advisors for Miniluxe,, Cariloop and Lone Star YPO.

Mark Westerburg


Mark Westerburg joined Silverado in 2018 as CFO with over 18 years of real estate experience in investing, operations, management, capital raising, M&A advisory, lending and leasing.  Mr. Westerburg previously spent 6  years with Stratford Land, an investment manager for a series of partnerships and investment funds totaling nearly $1B.  In his most recent role as CFO, Mr. Westerburg was responsible for accounting, finance, audit, investor relations, tax and treasury functions.  He initially served as SVP of Finance, with oversight of financial planning, forecasting and budgeting processes for the funds and over 50 individual investments.  Prior to Stratford, Mr. Westerburg spent 2 years with the corporate strategy group at Dell, Inc. focused on various strategic initiatives led by the CEO and the Executive Leadership Team.  He also worked over 4 years in the real estate investment banking group at JMP Securities, actively involved in raising over $2B in public/private equity and debt and more than $1B in domestic M&A.  Mr. Westerburg began his career with the middle-market and the institutional lending groups at KeyBank Real Estate in both San Francisco and Dallas.  He holds both a M.B.A and a B.A. degree from the University of Texas at Austin.


Jimmy Grisham is Chief Investment Officer at Silverado Interests and leads investor management and capital raising for Silverado real estate investments. He brings more than 36 years of institutional investment, development and property services experience throughout the United States. After receiving a MBA from the University of Texas at Austin in 1983, Jimmy began his career at Trammell Crow Company, where he quickly progressed from a leasing agent position to one of the top producers in the country and was made a partner in 1987. In the mid 1990’s, he was promoted from managing the North Florida Region of Trammell Crow to a Managing Principal in the Dallas High Rise Operating Division. He served on the National Retail Executive Committee, where he helped oversee and direct all retail development and service activity for Trammell Crow Company nationwide. During his 19 years at Trammell Crow Company, Jimmy was involved in real estate transactions and developments across the southwestern and southeastern United States. Jimmy was recently a senior partner in Foundry Commercial Real Estate, where he served as a Managing Director and a Principal in the Development and Investment Group. He also served on the Operating Committee. Jimmy has led several successful real estate service and development platforms during his career, including Centex Commercial, P.O’B. Montgomery & Co., RM Crowe Company and Drexel Realty Partners in Dallas, Texas.

 

Jamie Slagel


Jamie Slagel joined Silverado in 2019 as the Director of Asset Management.  She is responsible for underwriting, asset management and due diligence activities maximizing relationships and returns.  Previously, Mrs. Slagel served at 2M Companies and Jim Lake Companies, where she focused on cradle-to-grave commercial redevelopment including grant funding, underwriting, equity funding, lender selection, civic relationship building, and construction project management as well as asset management of diverse real estate portfolios including HZTC multi-family, industrial, office, retail and residential properties.  In particular, she has been part of successful pioneering Dallas projects such as International on Turtle Creek and Trinity Loft.  Mrs. Slagel serves as the property chairperson at Our Friends Place and secretary at Preservation Dallas. Both board memberships contribute to her ability to build relationships, create value, and preserve culture.  She holds designations and licenses across multiple disciplines including CCIM, LEED-AP, PE, PMP, and Tx real estate broker.  Mrs. Slagel holds a Bachelor of Science and Master of Science in Industrial Engineering / IMSE from North Carolina State University.

 


Mickey Wittum joined Silverado in 2019. Mickey is responsible for underwriting, asset management, and due diligence activities, maximizing relationships, and returns. Previously, Mr. Wittum spent four years at a large senior housing developer, owner, operator, where he served as Finance Manager. During his time in senior housing, he helped raise over $100 million in debt for Senior Housing communities. He was primarily focused on underwriting ground-up development projects, budgeting for over 40 memory care, assisted living, and independent living communities, as well as communicating with investors and lenders. He also was responsible for negotiating and closing property transactions as well as construction loans, bridge loans, and permanent loans. He started his career with Honda Financial Corporation as an analyst. There he gained his modeling experience, as well as forecasting and budgeting. He also volunteers in the Dallas Parochial League as a basketball coach for Christ The King. Mr. Wittum holds an undergraduate degree from The University of Kansas.

 

Charles Tusa


Charles Tusa consults with Silverado’s investors and creates long-term relationships between them and the firm’s operating and development partners. Charlie has 40 plus years of experience. Prior to Silverado, he managed his own real estate investment advisory firm. His business experience includes serving as regional human resource consulting principal at KPMG and serving as president of two major family offices, Rosewood Management Corporation and the Beck Family Office. His operational experience includes serving as Managing Director of the Crescent Joint Venture where he had oversight responsibility for the construction, leasing, and general management of the $250 million Crescent Property and serving as president of TUSA Office Solutions which grew from $25 million to $70 million in sales during his involvement. After graduating from college, Charlie served as a Special Agent of the FBI. Charlie currently serves as a member of the Board of Trustees of the University of Dallas and as a member of the Salesmanship Club and Chairman of the Security Committee for the AT&T Byron Nelson Golf Classic. He holds a BBA degree from the University of Texas at Arlington and an MBA from the University of Dallas.

 

Lynn Kieffer


Lynn Kieffer is an Associate at Silverado Interests and manages the office and marketing. Previously, she worked at Medical Sleep Solutions as a Senior Marketing Representative where she helped develop customized market strategies which yielded 40% growth resulting in over 3.5 million in billing. She also worked for Petro-Hunt, LLC as an Executive Secretary for W. Herbert Hunt, Doug Hunt, and Gage Prichard, Sr. Manager completing various reports regarding sales, call and loan goals, projected loan completion, and pipeline analysis for the entire North Texas region.

 

Maison Vasek


Maison Vasek is the founder of HMBL Consulting.  HMBL is a full-service financial consulting firm that specializes in fractional CFO services, including complete back office support, accounting and financial reporting, transactions advisory, audit and tax preparation, risk management, and systems implementation and integration.  Prior to founding HMBL, Maison served as the Chief Financial Officer of two middle-market companies over a four-year period.  Prior to the CFO suite, Maison spent eight years in public accounting with KPMG and Whitley Penn, focusing on audit and consulting of publicly traded and privately held companies.  Maison is a member of the Board of Directors for the Ronald McDonald House of Dallas and serves as the Audit Committee Chairman.  He is a member of the American Institute of Certified Public Accountants and the Texas Society of CPAs.  Maison graduated from the University of Oklahoma with BS degrees in Finance and Accounting and earned his CPA license in 2007.

 

Millie Williams


Millie Matthews began her career in Public Accounting with Ernst & Young. She spent four years in the auditing service line, where she worked primarily on large publicly listed clients in the retail, airline and investment industries. She then spent one year as a Senior Investment Accountant with Goldman Sachs before moving to Madrid, Spain with her husband. While in Madrid, Millie studied the Spanish Language at Escuela Oficial de Idiomas, traveled Europe and began her family. Since returning from Spain, Millie has held various roles, from Financial Compliance Analyst with Texas Health Resources, to Professor of Accounting with Dallas County Community Colleges. Millie earned her Masters of Accounting from the University of Arkansas and is licensed as a Certified Public Accountant (CPA) in the state of Texas. She enjoys reading, traveling, being outdoors and staying active with her husband, Luke, and two young children, Nora and Julian.

 

Rick Slaven


Rick Slaven  co-founded Silverado Interests.  He began his career in real estate in 1972 and spent 11 years with the Hines organization based in Houston.  He worked with Morton H. Meyerson beginning in 1987 and successfully invested in multiple real estate product types producing a strong IRR and multiple on over 70 investments realized through the end of 2008.  In 2004, Mr. Slaven was one of the founding partners of E2M and a member of its investment committee.  For E2M’s Value Added Fund I, he helped raise and invest over $300 million.  E2M has since completed a second and third fund that are fully invested. In 2008, Mr. Slaven co-founded Silverado with his son, Dan Slaven, to focus on smaller, individual real estate transactions that were not competitive with E2M. Additionally, Mr. Slaven spent six years on the Investment Advisory Committee to the Board of Regents for the Texas Tech University Endowment. He holds a M.B.A from Harvard University and an electrical engineering undergraduate degree from Texas Tech University.

Dan Slaven


Dan Slaven is a co-founding partner at Silverado.  Dan is responsible for implementing strategies to discover real estate opportunities and foster relationships with our operating partners, while creating returns that are highly satisfactory. Dan’s efforts have played a key role in closing over 100 transactions for Silverado. These transactions include assets in senior care, memory care, limited service hotels, student housing, multi-family, self-storage and retail. Prior to starting Silverado, Dan spent the first nine years of his real estate career as vice president of what became known as MMB-Group. This was a joint venture between Morton H. Meyerson, Manhattan Construction, and Paul Berry. The company focused on vertical development of all commercial real estate product types, including retail, multi-family, medical office, and medical condos. With Dan’s prior roles and his current role at Silverado, he has a vast knowledge of every product type in real estate and can identify value-add projects to produce satisfactory returns. He holds an undergraduate degree from Texas Christian University.  Dan is a member of YPO and sits on the board of advisors for Miniluxe,, Cariloop and Lone Star YPO.

Mark Westerburg


Mark Westerburg joined Silverado in 2018 as CFO with over 18 years of real estate experience in investing, operations, management, capital raising, M&A advisory, lending and leasing.  Mr. Westerburg previously spent 6  years with Stratford Land, an investment manager for a series of partnerships and investment funds totaling nearly $1B.  In his most recent role as CFO, Mr. Westerburg was responsible for accounting, finance, audit, investor relations, tax and treasury functions.  He initially served as SVP of Finance, with oversight of financial planning, forecasting and budgeting processes for the funds and over 50 individual investments.  Prior to Stratford, Mr. Westerburg spent 2 years with the corporate strategy group at Dell, Inc. focused on various strategic initiatives led by the CEO and the Executive Leadership Team.  He also worked over 4 years in the real estate investment banking group at JMP Securities, actively involved in raising over $2B in public/private equity and debt and more than $1B in domestic M&A.  Mr. Westerburg began his career with the middle-market and the institutional lending groups at KeyBank Real Estate in both San Francisco and Dallas.  He holds both a M.B.A and a B.A. degree from the University of Texas at Austin.


Jimmy Grisham is Chief Investment Officer at Silverado Interests and leads investor management and capital raising for Silverado real estate investments. He brings more than 36 years of institutional investment, development and property services experience throughout the United States. After receiving a MBA from the University of Texas at Austin in 1983, Jimmy began his career at Trammell Crow Company, where he quickly progressed from a leasing agent position to one of the top producers in the country and was made a partner in 1987. In the mid 1990’s, he was promoted from managing the North Florida Region of Trammell Crow to a Managing Principal in the Dallas High Rise Operating Division. He served on the National Retail Executive Committee, where he helped oversee and direct all retail development and service activity for Trammell Crow Company nationwide. During his 19 years at Trammell Crow Company, Jimmy was involved in real estate transactions and developments across the southwestern and southeastern United States. Jimmy was recently a senior partner in Foundry Commercial Real Estate, where he served as a Managing Director and a Principal in the Development and Investment Group. He also served on the Operating Committee. Jimmy has led several successful real estate service and development platforms during his career, including Centex Commercial, P.O’B. Montgomery & Co., RM Crowe Company and Drexel Realty Partners in Dallas, Texas.

Jamie Slagel


Jamie Slagel joined Silverado in 2019 as the Director of Asset Management.  She is responsible for underwriting, asset management and due diligence activities maximizing relationships and returns.  Previously, Mrs. Slagel served at 2M Companies and Jim Lake Companies, where she focused on cradle-to-grave commercial redevelopment including grant funding, underwriting, equity funding, lender selection, civic relationship building, and construction project management as well as asset management of diverse real estate portfolios including HZTC multi-family, industrial, office, retail and residential properties.  In particular, she has been part of successful pioneering Dallas projects such as International on Turtle Creek and Trinity Loft.  Mrs. Slagel serves as the property chairperson at Our Friends Place and secretary at Preservation Dallas. Both board memberships contribute to her ability to build relationships, create value, and preserve culture.  She holds designations and licenses across multiple disciplines including CCIM, LEED-AP, PE, PMP, and Tx real estate broker.  Mrs. Slagel holds a Bachelor of Science and Master of Science in Industrial Engineering / IMSE from North Carolina State University.


Mickey Wittum joined Silverado in 2019. Mickey is responsible for underwriting, asset management, and due diligence activities, maximizing relationships, and returns. Previously, Mr. Wittum spent four years at a large senior housing developer, owner, operator, where he served as Finance Manager. During his time in senior housing, he helped raise over $100 million in debt for Senior Housing communities. He was primarily focused on underwriting ground-up development projects, budgeting for over 40 memory care, assisted living, and independent living communities, as well as communicating with investors and lenders. He also was responsible for negotiating and closing property transactions as well as construction loans, bridge loans, and permanent loans. He started his career with Honda Financial Corporation as an analyst. There he gained his modeling experience, as well as forecasting and budgeting. He also volunteers in the Dallas Parochial League as a basketball coach for Christ The King. Mr. Wittum holds an undergraduate degree from The University of Kansas.

Charles Tusa


Charles Tusa consults with Silverado’s investors and creates long-term relationships between them and the firm’s operating and development partners. Charlie has 40 plus years of experience. Prior to Silverado, he managed his own real estate investment advisory firm. His business experience includes serving as regional human resource consulting principal at KPMG and serving as president of two major family offices, Rosewood Management Corporation and the Beck Family Office. His operational experience includes serving as Managing Director of the Crescent Joint Venture where he had oversight responsibility for the construction, leasing, and general management of the $250 million Crescent Property and serving as president of TUSA Office Solutions which grew from $25 million to $70 million in sales during his involvement. After graduating from college, Charlie served as a Special Agent of the FBI. Charlie currently serves as a member of the Board of Trustees of the University of Dallas and as a member of the Salesmanship Club and Chairman of the Security Committee for the AT&T Byron Nelson Golf Classic. He holds a BBA degree from the University of Texas at Arlington and an MBA from the University of Dallas.

Lynn Kieffer


Lynn Kieffer is an Associate at Silverado Interests and manages the office and marketing. Previously, she worked at Medical Sleep Solutions as a Senior Marketing Representative where she helped develop customized market strategies which yielded 40% growth resulting in over 3.5 million in billing. She also worked for Petro-Hunt, LLC as an Executive Secretary for W. Herbert Hunt, Doug Hunt, and Gage Prichard, Sr. Manager completing various reports regarding sales, call and loan goals, projected loan completion, and pipeline analysis for the entire North Texas region.

Maison Vasek


Maison Vasek is the founder of HMBL Consulting.  HMBL is a full-service financial consulting firm that specializes in fractional CFO services, including complete back office support, accounting and financial reporting, transactions advisory, audit and tax preparation, risk management, and systems implementation and integration.  Prior to founding HMBL, Maison served as the Chief Financial Officer of two middle-market companies over a four-year period.  Prior to the CFO suite, Maison spent eight years in public accounting with KPMG and Whitley Penn, focusing on audit and consulting of publicly traded and privately held companies.  Maison is a member of the Board of Directors for the Ronald McDonald House of Dallas and serves as the Audit Committee Chairman.  He is a member of the American Institute of Certified Public Accountants and the Texas Society of CPAs.  Maison graduated from the University of Oklahoma with BS degrees in Finance and Accounting and earned his CPA license in 2007.

Millie Williams Matthews


Millie Matthews began her career in Public Accounting with Ernst & Young. She spent four years in the auditing service line, where she worked primarily on large publicly listed clients in the retail, airline and investment industries. She then spent one year as a Senior Investment Accountant with Goldman Sachs before moving to Madrid, Spain with her husband. While in Madrid, Millie studied the Spanish Language at Escuela Oficial de Idiomas, traveled Europe and began her family. Since returning from Spain, Millie has held various roles, from Financial Compliance Analyst with Texas Health Resources, to Professor of Accounting with Dallas County Community Colleges. Millie earned her Masters of Accounting from the University of Arkansas and is licensed as a Certified Public Accountant (CPA) in the state of Texas. She enjoys reading, traveling, being outdoors and staying active with her husband, Luke, and two young children, Nora and Julian.