Practice Expertise

  • Corporate
  • Financial Technology
  • Healthcare Finance
  • Mergers & Acquisitions

Areas of Practice

  • Corporate
  • Financial Technology
  • Healthcare Finance
  • Mergers & Acquisitions
  • Opportunity Zones
  • Private Equity
  • Real Estate Capital Markets (REITs)
  • Securities
  • Technology
  • Venture Capital
  • View More


David Calhoun is a Partner in the firm's Corporate Group. Mr. Calhoun practices in the areas of corporate finance, securities, mergers and acquisitions, and real estate capital markets. He has significant experience in public and private securities and corporate finance, including representation of issuers, underwriters, and investors. Representative transactions include debt and equity offerings (public and private), going private transactions, venture capital financings, IPOs, secondary offerings of common and preferred securities, PIPEs (private investments in public equity), and tender offers. Mr. Calhoun has been active in mergers and acquisitions for public and private companies, including acting as counsel in transactions ranging in size from less than $100,000 to over $1 billion. Representative M&A transactions include representation of both buyers and sellers in mergers, asset sales, stock sales, international and cross-border transactions, and leveraged buy-outs. He has represented companies in numerous industries, including technology, biotechnology, medical devices, business process outsourcing, manufacturing, real estate, and financial institutions. Mr. Calhoun's practice also includes general corporate counseling, corporate governance, audit and special committee representation, and securities law compliance matters.

Representative Experience:

- Represented SintecMedia (owned by Francisco Partners) in its acquisition of Operative Media.

- Represented The Intersect Group in sale to MSouth Equity Partners.

- Represented Brown Brothers Harriman in acquisition of Haven Behavioral Healthcare.

- Represented Sovos (owned by HG Capital and Vista Equity) in acquisition of Invoiceware.

- Represented Stratose, Inc. in majority recapitalization with Parthenon Capital Partners.

- Represented Francisco Partners in Acquisition of PayLease LLC.

- Represented Marquis Software in sale to Falfurrias Capital Partners.

- Represented PrimeRevenue in majority recapitalization with Brown Brothers Harriman & Co.

- Represented Performance Matters in sale to TrueNorthLogic (owned by Weld North).

- Represented Interactive Achievement in sale to PowerSchool (owned by Vista Equity).

- Represented Epicor (owned by Apax) in acquisition of ShopVisible.

- Represented Zelis Healthcare (owned by Parthenon Capital Partners) in multiple acquisitions, including Strenuus LLC, GlobalCare, Maverest Dental Network and ProxyMed.

- Represented Aptean, Inc. (owned by Vista Equity) in multiple acquisitions, including Vision Software, CoreTrac, MedWorxx, CRMCulture and Advanced Public Safety.

- Represented PowerPlan Inc. (owned by Thoma Bravo) in its acquisition of Riva Modeling Systems Inc.

- Represented AGDATA (owned by Vista Equity) in its acquisition of Focus Technology Group, Inc.

- Represented The Campus Special in sale to Chegg.

- Represented Paymetric in sale to Francisco Partners.

- Represented Streamline Health Solutions in acquisition of Unibased Systems Architecture, Inc.

- Represented Lanier Parking Solutions in sale to Antarctica Capital.

- Represented Aderant (while owned by Francisco Partners, Vista Equity and Madison Dearborn) in multiple acquisitions, including Omega Legal Systems and Applied Technology Group.

- Represented Greenway Health in acquisition of PeopleLYNK.

- Represented KT Capital Partners and in acquisition of EquiCross.

- Represented SirsiDynix in acquisition of EOS International.

- Represented Voxeo Corporation in sale to Aspect Software (owned by Golden Gate).

- Represented Liaison Technologies in acquisition of Ignis Systems.

- Represented Online Resources Corporation in sale to ACI Worldwide.

- Represented Stratose, Inc. in acquisition of SnapForSeniors.

- Represented Stratose, Inc. in acquisition of HFN.

- Represented BWAY Corporation in sale of plastic bottles division to Ring Technologies.

- Represented Prenova in sale to Ecova, Inc.

- Represented BWAY Corporation (owned by Madison Dearborn) in acquisition of assets of Cove Four Slide & Stamping Corp.

- Represented Vendormate in sale to Primus Capital.

- Represented Voxeo Corporation in acquisition of NetXentry, LLC.

- Represented Voxeo Corporation in acquisition of VoiceObjects gmbH.

- Represented Strong Environmental in sale to Stericycle.

- Represented Wave7 Optics in sale to Enablence Technologies.

- Represented B2B Workforce in sale to Vedior.

- Represented Marketworks in sale to ChannelAdvisor.

Bar Admissions
State of Georgia, 1988

Mercer University, J.D., cum laude, 1988
Brainerd Currie Honor Society
Phi Alpha Delta Book Editor
Mercer University Law Review
University of Tennessee at Knoxville, B.A., 1985

Areas of Practice

  • Corporate
  • Financial Technology
  • Healthcare Finance
  • Mergers & Acquisitions
  • Opportunity Zones
  • Private Equity
  • Real Estate Capital Markets (REITs)
  • Securities
  • Technology
  • Venture Capital

Professional Career

Significant Accomplishments
- Top Ranked Leading Individual, Chambers USA 2013-2019
- Listed, Legal 500, M&A/Corporate and Commercial - M&A - middle-market (sub-$500m), 2018
- Listed, Legal 500, Venture Capital and Emerging Companies, 2010-2011
- Atlanta CEO Council, Board of Directors
- TAG Fintech Society, Board of Directors
- Holy Innocents’ Episcopal School, Board of Trustees
- Holy Innocents’ Episcopal Church, Chancellor and Executive Committee
- Zoo Atlanta, Leadership Council

Professional Associations
  • American Bar Association

National Association of Real Estate Investment Trusts (NAREIT)

Seminars/ Presentation
Non-Traditional Offering Structures: Pipes, Equity Lines and SPACs
Operating as a Public Company
Corporate Governance for Public Companies
Exit Strategies: M&A vs. Going Public
2007 Accounting, Tax and Legal Update: What Every Technology Company Needs to Know (Moderator of Panel Discussion)
Tips for Due Diligence in Mergers & Acquisitions
Practical Time and Work Management
The Public REIT: What Can You Expect?
IMN Securities Law Conference: Blue Sky Update
Raising Capital for Transaction Processing Companies


Non-Traditional Offering Structures: PIPEs, Equity Lines And SPACs


Meet our Firms and Professionals

WSG’s member firms include legal, investment banking and accounting experts across industries and on a global scale. We invite you to meet our member firms and professionals.