Who We Are

Performance. Knowledge. Vision.

From the simplest to the most complex infrastructures, our team is uniquely equipped to meet every challenge and demand of your wireless project.

Barb Pivec, Partner

Barb Pivec

For more than 25 years, Barb has actively served as a leading consultant in the mid-Atlantic region, managing some of the most sensitive and difficult sites for the nation’s largest carriers. As the owner of Atlantic Site Acquisition, Barb provided expert tasking in every aspect of the tower development process; she has gained recognition for her ability to:

  • research and problem solve difficult sites and site selections
  • oversee leasing, zoning, and permitting processes
  • handle regulatory approvals all the way through construction

Her knowledge in the tower development industry is exceptional, in part because of the strong private and public relationships she has developed throughout her career and her promise to over-perform every time.

George S. Rich, Partner

George Rich

George S. Rich is managing partner of GRI Fund, L.P., an investment partnership specializing in growth capital and leveraged investments in consumer, business, and telecommunication services. From 1992 to 2002, Mr. Rich was a founder and managing director of Armata Merchant Partners LLC, a private merchant bank. Prior to forming Armata, Mr. Rich was a Managing Director with Alex. Brown & Sons Incorporated. Prior to Alex Brown, Mr. Rich was an investment banker at Salomon Brothers in New York from 1974 to 1977.

Mr. Rich currently serves on the Board of Directors of Fury Management, Inc., American Messaging, Inc., Salsaritas Restaurant, Inc., Medical Records Associates, Inc., LeaseAccelerator, Inc., 6th Street Inc., (Parent to SalesWarp) and Captel, Inc. Mr. Rich served as an Advisory Director at Texas Roadhouse Holdings, Inc. from 1996 until 2004. Mr. Rich continues to serve as President of Texas Roadhouse’s Employee Foundation, Andy’s Outreach. Mr. Rich has served as a director of seven additional companies in consumer services, manufacturing, and media services.

Mr. Rich graduated from Hobart College in Geneva, New York with a BA in 1970 and the Wharton School of the University of Pennsylvania in Philadelphia, Pennsylvania with an MBA in 1974.

Casey Pivec Gerlach, Director


Casey brings nearly a decade of experience in the wireless industry. She is responsible for managing, supporting, and growing our infrastructure portfolio. Prior to joining Calvert Crossland, Casey played a vital role in planning and implementing the growth strategies of the major carriers in the BAWA market. Casey possesses the innate knowledge and critical thinking that only comes from a lifetime of wireless industry immersion.

Casey lives in the Locust Point neighborhood of Baltimore with her husband, their young daughter, and their two dogs. She is actively involved in the community, serving on the Board of Directors of Open to Birth, a Baltimore based non-profit that provides access to childbirth & postpartum education and services to mothers and families. Casey is a member of the Women’s Wireless Leadership Forum (WWLF) and a passionate and active supporter of The Baltimore Child Abuse Center and House of Ruth Maryland.

Sandy Rich, Director

Sandy supports Calvert Crossland’s site acquisition strategy, manages active construction projects, and runs our IT infrastructure. Sandy’s background includes portfolio management and deal sourcing at GRI Fund, L.P., a Baltimore-based private equity firm. Prior to GRI, Sandy worked for Crown Castle International. Sandy joined Crown Castle by way of the company’s acquisition of 24/7 Mid-Atlantic Network, a regional dark fiber and data transport network and data center services provider. There, he oversaw marketing, sales support, project management, and IT strategy.

Before joining the telecom industry, Sandy was living in Colorado where he was an early entrant into the area’s tech startup scene, helping launch a startup in the 2010 Techstars accelerator program to its sale in 2013. Prior to Techstars, Sandy worked in investor relations and capital-raising at Greenspring Associates, a venture capital fund-of-funds that invests in Techstars-related portfolio companies. Sandy started his career at T. Rowe Price as a portfolio allocation specialist and product evangelist.

Sandy serves on the Board of Directors of Fury Management, Inc. He holds a BA from the University of Colorado, Boulder.

Sandra Early, Operations

Sandra Early oversees financial and operational administration for Calvert Crossland. She brings a deep expertise in bookkeeping and has run her own successful office support business since 2002. Her diverse client list includes an engineering firm and multiple business coalitions that regularly involve her in the complexities of zoning and permitting. Her experience complements our industry and team extremely well.