Brendan Callaghan

Investment Banking at Baird

📍 United States🔄 Updated September 2026💼 1 investments📅 3 years investing🗓 Last invested Nov 2023
VC🌍 United States
1
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0
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3y
Years active

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Seed Investor
Nov 2023
StackOne is the integration infrastructure for AI agents to act. 200+ connectors, 10k+ actions, and the AI builder tools to customize or build your own. StackOne turns AI agents into powerhouse that can act like your and for you. At the core is Falcon, our state-of-the-art, code-first, execution engine. Falcon executes multi-step AI actions accurately, reliably, and securely, optimizing for tool-calling accuracy, token efficiency, and low latency. Falcon interfaces with your agent via MCP, A2A, or API calls for traditional apps RPCs and any app interface (REST, SOAP, GraphQL, Private APIs, browserless). StackOne’s managed infrastructure handles multi-tenant authentication, permissions, and observability out of the box—so teams can focus on designing agency, not building the plumbing. We’re built for enterprise trust: SOC2, GDPR, HIPAA, and CCPA compliant. Real-time execution with no data storage. Ship faster. Execute better. Scale with confidence. StackOne is the platform for production-ready autonomous agents.
Experience · 6 entries
All (6)
Investments (1)
2023
Seed Investor
Nov 2023
StackOne is the integration infrastructure for AI agents to act. 200+ connectors, 10k+ actions, and the AI builder tools to customize or build your own. StackOne turns AI agents into powerhouse that can act like your and for you. At the core is Falcon, our state-of-the-art, code-first, execution engine. Falcon executes multi-step AI actions accurately, reliably, and securely, optimizing for tool-calling accuracy, token efficiency, and low latency. Falcon interfaces with your agent via MCP, A2A, or API calls for traditional apps RPCs and any app interface (REST, SOAP, GraphQL, Private APIs, browserless). StackOne’s managed infrastructure handles multi-tenant authentication, permissions, and observability out of the box—so teams can focus on designing agency, not building the plumbing. We’re built for enterprise trust: SOC2, GDPR, HIPAA, and CCPA compliant. Real-time execution with no data storage. Ship faster. Execute better. Scale with confidence. StackOne is the platform for production-ready autonomous agents.
2021
Private Equity Associate
Aug 2021
The Riverside Company is a global investment firm focused on being one of the leading private capital options for business owners and employees at the smaller end of the middle market by seeking to fuel transformative growth and create lasting value. Please see Riverside’s Social Media Terms of Use at: https://www.riversidecompany.com/social-media-terms-of-use/
Investment Banking Associate
Jan 2021
Since 1919, Baird has guided families, businesses, communities and institutions toward their financial goals. Being privately held enables us to prioritize long-term planning and investment – for our clients and the firm – without having to weigh those against the quarterly expectations of outside shareholders. Today Baird offers wealth management, investment banking, asset management, fixed income and equity sales and trading, equity research, public finance and private equity services. This balance of cyclical and counter-cyclical businesses provides financial strength and stability across market environments and enables us to consistently reinvest in our ability to serve clients. We manage or oversee more than $525 billion in client assets and employ more than 5,300 Associates around the world. And, because nearly 85% of our associates are Baird stockholders, you can trust we all share a personal stake in your success. For more than 20 consecutive years, Baird has been one of the FORTUNE 100 Best Companies to Work For®, making us a workplace of choice for some of the most talented, passionate people in financial services. It also enables us to emphasize cultural compatibility in those we hire, many of whom stay their entire careers. All of this helps ensure the quality and consistency of our advice for clients and the timeless values that make the Baird Difference every day for our clients, our Associates and the communities we share. For more information, please visit https://www.rwbaird.com/bairddifference/.
2017
Investment Banking Winter Analyst
Jan 2017
Founded in 1994, Amherst Partners is completely independent and one of the most reputable boutique investment banking firms in the Midwest. Amherst Partners is focused on providing middle-market companies with financial advisory assistance for mergers and acquisitions and raising capital. Amherst Partners is also a long-time member of IMAP, the world’s largest network of M&A advisors. Known for the experience and hands-on approach of our senior professionals, Amherst Partners has a track record of achieving extraordinary results for our clients. Investment Banking | Services include advising private and family-owned businesses on a company sale, supporting the disposition of portfolio companies by private equity groups, and assisting larger public corporations divesting non-core or under-performing units. Amherst also is experienced providing buy-side advisory services to both strategic and financial buyers. Services include: Private & Public Company Sales Division/Subsidiary Divestitures Distressed Transaction Advisory, including §363 sales Acquisition Advisory Private Market Financing LBOs & Recapitalization Restructuring & Turnaround | Services offered through our mix of knowledge and experience, enabling us to deliver rapid, effective and value-maximizing solutions to the complex challenges facing distressed companies. Our goal is to restore a business to profitability. Services include: Liquidity Crisis Management Cost Restructuring Debt Restructuring Refinancing and Recapitalization Revenue Rationalization Viability Assessment Management Advisory | Our services range from providing diagnostic business reviews, to building pre-sale value to enhancing long-term strategic growth, and include: Strategic Planning Profitability Improvement Planning Operational Improvement Planning Financial & Accounting Controls Budget & Forecast Review Post-merger Integration Planning & Management
Investment Banking Analyst
2017
Donnelly Penman & Partners is one of the largest independently owned, middle-market investment banking firms headquartered in the Midwest. Our experienced team provides a full range of corporate finance and financial advisory services to both public and private companies. The firms expertise in the automotive, industrial, and financial institution industries allows us to provide our clients with the highest level of creativity and transaction execution available to the middle market. Our global capabilities, extensive experience, and strong client commitment has earned us an unparalleled track record of success in the industries we serve. DPP is owned by the employees of the firm, who have successfully completed more than 340 transactions and advisory engagements since the firms inception in September 2000. Its principals have more than 125 years of investment banking experience collectively. Mergers & Acquisitions: Our team of senior professionals has broad experience assisting clients in all aspects of the merger and acquisition process. Donnelly Penman’s M&A services include: - Sell-side M&A Advisory - Buy-side M&A Advisory - Corporate Divestitures - Joint Ventures - Restructuring Transactions (Section 363) - Leveraged Buyouts & Recapitalizations Capital Raising: The firm’s principals have extensive experience in raising capital for publicly traded and privately held companies. The firm offers product expertise as manager or agent including: - Private Placements of Debt and Equity - Shareholder Rights Offerings - Best Efforts Public Offerings - Public Offering Advisory - Mutual to Stock Conversions Financial Advisory: Our capabilities extend beyond transaction-oriented services to provide a range of financial advisory services, including the following: - Fairness Opinions - Strategic Valuations - Corporate and Financial Restructurings - Due Diligence
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