Our Team

Aaron Cook
  • FOUNDER AND PRINCIPAL
Aaron Cook is the founder and principal of CoveMark. Aaron’s investment career began with the purchase of his first investment property in 2001. Since his 2006 relocation to Texas, from his home state of Florida, Aaron has been involved in numerous private investments, totaling more than $60 million. Over the past nine years, he has served in various capacities across multiple private investment projects, including sponsor, development consultant, investor relations, and fund manager. From 2009–2012, Aaron was involved with Diversified Metroplex Investors (“DMI”) where he worked on several real estate projects and served on DMI’s Board of Directors.

In 2012, Aaron left DMI to form CoveMark, launching the firm’s flagship fund the same year. Since inception, CoveMark has launched 18 Funds, across various industries, including energy, real estate, livestock, and unique eateries. Aaron also has significant experience with direct participation programs and private placements.

Aaron studied economics and finance at the University of West Florida. He and his wife reside in Dallas, Texas, where they are actively involved in their church and community.
Lance Bina
  • STRATEGIC PARTNER
Lance Bina has nearly ten years’ experience in the oil and gas industry. Prior to becoming a CoveMark strategic partner, Lance was a senior account manager with Baker-Hughes Oil Field Services which provided him many opportunities to gain unique knowledge and experience focused on oil field operations.

Lance holds Masters in Applied Behavioral Sciences from Oklahoma State University (2008) and a Bachelor of Science in Sports Management from Lubbock Christian University (2006). Lance is married to his college sweetheart, whom he met while playing baseball for Dallas Baptist University. They are the proud parents of two children, a son and a daughter. Lance resides in Dallas, Texas, where he is actively involved in his church and community. 
MATTHEW ELMER
  • STRATEGIC PARTNER
Famous for his ability to systemize businesses, native Texan Matthew Elmer is the Chief Executive Officer for The Real Alliance, an organization that provides education and coaching to real estate investors and those seeking small business growth. He is also the owner of Skyward Properties, a company specializing in acquiring and repositioning residential real estate, and Simplified Realty, a brokerage focused on simplifying complicated investor transactions.

He is the author of amazon bestselling book “Against the Grain”, which was co-authored by Brian Tracy. Matthew also co-authored the book “Writing from the Heart” with Mark Victor Hansen and Jim Rohn.
Zach Hagan
  • DIRECTOR OF OPERATIONS
Zach Hagan has more than eight years of diverse work experience spanning multiple industries. His expertise includes acquisitions and divestitures, information systems technology, petroleum land management, livestock management, and other agriculture-related fields for CoveMark. Zach’s background is comprised of development, implementation, and maintenance of databases; information technology infrastructure; and multi-language computer coding; administrative support for company directors; management of oil and gas projects in major exploration plays throughout Texas, Oklahoma, Kansas, Colorado, North Dakota, and Wyoming.

Zach is responsible for CoveMark’s back office operations. He is also involved in the selection and management of CoveMark’s investment portfolio. He performs due diligence and participates in the evaluation of potential investment opportunities. He leads asset management for multiple CoveMark funds, including those focused on agriculture, energy, or technology.

Zach grew up in rural Oklahoma, where ranching and farming were a part of everyday life. From an early age, he was involved in a variety of agriculture-related matters. He was a longtime participant in 4-H and his high school education included specialized studies in agriculture and zoology. Zach went on to study economics, finance, and computer programming at the University of Oklahoma. He resides in the Dallas-Fort Worth metroplex.
TYLER MCGEE
  • STRATEGIC PARTNER
Tyler McGee is a dynamic young executive with experience in capital acquisition, strategic consulting, leadership development, and asset management. His background includes implementation of investment strategies across various alternative investment types, client acquisition, team development, and business expansion.

Tyler and his wife reside in Dallas, with their son and two daughters. They are actively involved in their church and community.
DENISE HOOD OVERSTREET
  • DIRECTOR OF INVESTOR RELATIONS
Denise Hood Overstreet is an engaging executive with a diverse background focused in Oil & Gas. Denise has a reputation for delivering exceptional results, deal closing, and developing strong client relationships.  Prior to joining CoveMark, she was the Vice President of Land & Acquisitions for Rock Shore Energy LLC, which owned, operated, and developed Class II saltwater disposal facilities in Oklahoma. In 2011, Denise co-founded Saddle Ridge Resources LLC, a regional mineral-acquisition company, and one of the only female-owned mineral companies in Texas. Her industry knowledge and network enabled her to secure investor funding. Since that time, Denise has hired and trained more than a dozen landmen, some of whom began with no experience in the industry. While at Saddle Ridge, Denise was instrumental in scouting and locating producing units, as well as securing mineral buyers.

In 2010, she was instrumental in opening Arbuckle Mineral, where she spearheaded the land team as Land Manager. While at Arbuckle, she developed certain skills at curative title, investigating and uncovering hundreds of mineral acres with defects in title.  She began her career in the energy industry, in 2007, with Cherokee Horn Production LLC. After translating leases and interpreting for lease acquisition transactions, she was promoted to landman.  Denise quickly became the go-to landman for difficult areas. She single-handedly dissolved holdout landowner groups in Arlington, Flower Mound, Grand Prairie, and Fort Worth, Texas; earning her spot as one of the top leasing landmen for the company.

Denise received her Bachelor of Science from Southwestern Assemblies of God University. She currently resides in the DFW area with her husband and 3-year old son.  
TIFFANY RAMIREZ
  • chief operating officer and chief compliance officer
Tiffany Ramirez has nearly fifteen years of investment industry experience spanning hedge funds, private equity funds, RIAs, and wealth managers. Her expertise includes legal and compliance, accounting and operations, and investor relations and marketing.

Tiffany was a CoveMark strategic partner for more than five years before accepting the roles of Chief Operating Officer and Chief Compliance Officer. She is also the Chief Operating Officer for Renner Capital Partners LLC, a global long/short equity hedge fund manager. Tiffany was previously with RGT Wealth Advisors ("RGT"), a Dallas-based independent registered investment adviser with a 30+ year history and $4B in assets under management. Prior to joining RGT, Tiffany consulted for various investment advisers and fund managers. In this capacity, she advised RGT for more than a year before joining the firm as Chief Compliance Officer.

Tiffany was previously the Chief Compliance Officer of global private equity firm, Kildare Partners, which organizes institutional capital to invest in distressed real estate, principally in Western Europe.  For seven years, she served as the Chief Compliance Officer and Director of Operations for Paradigm Advisors, LLC, a long/short equity hedge fund manager.  Previously, Tiffany worked in mergers and acquisitions for Dallas-based TRT Holdings, a privately-owned diversified holding company. She began her investment career at Carlson Capital, LP, an alternative asset management firm managing roughly $30 billion across multiple hedge fund products.

Tiffany received her Bachelor of Arts in English from the University of Texas at Dallas (2004), where she is currently an MBA candidate. She is active in the Dallas-Fort Worth investment community and is a member of several professional organizations, including The Texas Hedge Fund Association, The DFW Compliance Roundtable, The National Society of Compliance Professionals, and Texas Wall Street Women.  Tiffany currently serves on the board of Texas Wall Street Women. She and her husband reside in Dallas, Texas, where he practices law.
David Thompson
  • STRATEGIC PARTNER
David Thompson has extensive experience in real estate investing, in both domestic and international projects, covering single-family, multi-family, and land development.  He spent over 20 years in high-tech management positions at Dell, AT&T, and Lucent Technologies (“Lucent”).  At Lucent, he managed a $2.5B investment portfolio and raised over $1B in funds for acquisitions. After leaving the corporate world, David started Thompson Investing and has raised significant private equity capital.  He helped provide investor funds to Ashcroft Capital for the purchase of more than 1,750 apartment units, in seven separate communities, worth over $160M.  David has also helped raise capital for a $50M CoveMark-sponsored fund focused on self-storage and mobile home parks. ​

David holds an MBA in Finance from Thunderbird School of Global Management (1991), as well as a Bachelor of Arts in Political Science (1990; summa cum laude) and a Bachelor of Science in Finance (1985), both from Arizona State University. David prides himself on building long-term relationships with investors and partners while providing a great customer experience.  He has lived in Austin, Texas for twenty years with his wife and has two daughters.  
Ragan Young
  • STRATEGIC PARTNER
Ragan Young CFP®, is the founder and managing member of Oakwood Advisory Group (“Oakwood”). Ragan has more than 15 years of experience in advising individuals and families on investment matters. His background includes managing client relationships, developing risk-based asset allocation models, researching and advising on both public and private investments, and estate and income tax planning. Over the course of his career, Ragan has worked with a variety of clients, ranging from those with a negative net worth to families with over $80MM.

Ragan holds a Bachelor of Business Administration in Accounting from West Texas A&M University (1998). He is a Certified Financial Planner™ and holds his Group 1 Insurance license in the state of Texas. Ragan resides in the Dallas area with his wife and two sons.