Our Team

We are committed to quality... in the process and the finished product

Leadership Team

Michael Roark

Michael Roark  CEO

Michael is a pioneer in the creation of innovative mission-critical facilities and multi-tenant technology centers. M K Roark, Inc., a design / build / development firm, created hundreds of significant projects in the past thirty years, including industrial & medical facilities, commercial & mixed-use buildings, interiors & public works initiatives. Telesource, another Roark company, created numerous telecom infrastructure projects, carrier hotels and data centers. Michael founded FiberMedia (now vXchnge), a premier provider of colocation and deep IT services with multiple data centers, serving as its CEO for ten years.  Interconnect Miami and InterMetro Fiber (now South Reach Networks) are other Roark companies.


Greg Richards CSO

Greg heads iM’s strategic expansion efforts, capital raising and investment initiatives. Prior to iM, Greg was a Managing Director at Energy Impact Partners and a Co-Founding Member and Principal of Energy Impact Credit Fund as well as a member of its investment committee. Greg has more than 18 years of experience in private investing, investment banking and leveraged finance and has led and executed investments primarily within the utility, project finance and energy technology space. He previously held roles at Credit Suisse, Mubadala Investment Company, Medley Capital and Bank of America.  Greg received an MBA from Columbia Business School and a BBA in Finance from the College of William & Mary. In addition, he is a CFA charter holder and a member of the New York Society of Security Analysts.


Jesus Zamora CFO

Jesus oversees iM’s financial operations & has managed the corporate operations of iM’s affiliate companies since 1987, including M K Roark, Inc., Telesource Group, FiberMedia (now Vxchnge), Interconnect Miami and InterMetro Fiber. Prior to joining M K Roark, Jesus was the controller for FICO and a pioneer in the conversion of accounting practices into fully integrated and computerized systems for construction and development firms.


William Valentine SVP Engineering

Mr. Valentine is responsible for engineering and oversees iM’s modular data center quality control. He has over twenty-five years of experience in the construction of large scale industrial and mission critical infrastructure design/build projects.  Bill has constructed power utility projects and substantive electrical projects, both as a Senior Project Manager and with his own company, a large electrical firm that he owned and operated prior to joining the iM.


Jess Pettit SVP Development

Jess has extensive experience in marketing, leasing, designing, building, managing and commissioned major data centers and campuses for owners and users.  He has completed major projects for Digital Realty, Fidelity Investments, MCI, SGS Thompson Semiconductor, IBM and others.  Prior to iM, Jess was a Senior Design Manager for Digital Realty, the largest developer of customer-focused data centers in the world, focused on the US Central region with dozens of data center campuses and co-location facilities.  At Digital Realty, he delivered designs for projects including sixteen new buildings, 121 MW of new critical power for over 80 discrete data centers, master plans for several major campuses and led the operations management of data center projects in Chicago, Austin, Houston, Miami and Dallas. His projects included designs for a global roll-out of Digital’s largest customer that including complete fit-ups for twenty-two data centers in the US, Canada, Asia-Pac, Australia and EMEA.  Prior to Digital Realty, Jess held roles focused due diligence, property/risk assessment, feasibility/site selection, development and construction management for industrial campuses, office and hotel projects.  Jess holds a Master of Science in Civil Engineering-Construction Management and a Bachelor of Science in Civil Engineering from Texas A&M.


Lenny Chesal Chief Evangelist

Lenny is a respected leader in the South Florida tech community with a demonstrated history of working in the information technology and services industry that includes developing IT companies such as Host.Net.  Lenny’s skillsets include sales, IT strategy, professional services, data center infrastructure, cybersecurity and management.  Lenny is incredibly passionate about his community, with civic involvement including InfraGard National Members Alliance. Levan Center (Community Partnerships  Chair), Past Chairman Board of the South Florida Technology Alliance (past Chair)  at Florida Atlantic University Tech Runway (past Chair), Florida Atlantic University Computer and Electrical Engineering and Computer Science Executive Advisory Council and Palm Beach State College Business Partnership Council for B.A.S. Degree in Information Management, Leukemia & Lymphoma Society (Trustee), CIO Council of South Florida.


Doug Corbett SVP Business Development

Doug is a seasoned executive with over 30 years of multi-national and start-up experience in the telecommunications industry that included networking services and software innovation.  At iM Critical, Doug builds strategic alliances, and partnerships to position and expand iM’s next generation data center footprint.  He has held Senior Sales executive positions with several start-ups including, Allied Fiber, NJFX and Force 10 Networks (acquired by Dell) and had a proven history of successfully positioning disruptive technology and delivering results. Doug received his BA from the State University of New York.


Nick Salimbene VP Sales

Nick brings a diverse background developed over 30 years in the digital infrastructure space.  Prior to iM Critical, Nick led organizations in the both the technology and business services space, jump starting and managing Iron Mountain’s data center practice and developing Anacomp.  He has a proven record of identifying and developing talent; and building strong successful teams with deliver extraordinary results.  Nick has been personally responsible for the design, implementation and growth of new start-up technology business lines, managing relationships with industry leaders such as UBER, Google, JP Morgan Chase, and Disney as well as many SMB and mid-market clients. Nick is an experienced industry thought leader and continues to utilize his broad background with solutions to complex IT requirements to help start-ups and businesses increase revenue and boost profits for sustainable performance.


Rodrigo O’Farrill VP Colocation

Rodrigo has over 10 years of vast experience in Data Center IT and infrastructure operations. He has successfully managed hosting operations in Central America and South Florida since 2010. Leveraging his IT experience has led Data Center operations for telecommunications infrastructure providers, managing multiple facilities throughout the east coast of Florida, including fiber metro rings and long-haul cable systems. Currently serves as head of Colocation Operations for iM Critical, supervising day to day operations on all of iM Critical Facilities.