Brian Dirkmaat
Partner
Brian is a partner at Rimon. He provides general counsel and transactional representation, with a particular focus on early-stage financing, mergers & acquisitions, and corporate transactions. He represents investors and founders who better the world through tech, cleantech, biotech, and active outdoor lifestyle brands.
Brian’s commitment to providing useful legal guidance is grounded in his desire to establish long-term relationships with clients. His empathy for clients when they face business opportunities or problems forges those relationships and empowers them to make educated decisions. He understands that his work requires striking a balance between legal realities and business practicalities, while communicating complex concepts in simple terms.
Before joining Rimon, Brian was the founding partner of Coeptus Law, Inc. Before that he was a partner at a boutique firm in San Diego following his time as counsel and an associate at three firms in Silicon Valley.
Selected Experience
Financings
- Multiple SAFE, Convertible Note, Series Seed and Series A preferred stock financing transactions for NuFund Venture Group.
- Represented a venture fund in multiple Series Seed preferred stock financing transactions.
- Represented a cleantech battery company in its $2.5M Series Seed preferred stock financing, followed by a $12M Series A preferred stock financing and a $5M convertible note financing.
- Represented a cannabis plant extraction company in its $12.1M Series A preferred stock financing.
- Represented a cleantech company in its $4.5M issuance of Series A -3 preferred stock, its $7M issuance of Series B preferred stock and its $25M issuance of Series C preferred stock.
- Represented a California limited liability company in its $3.2M issuance of Series B-1 preferred units, and its $1.7M issuance of Series B-2 preferred units including a $1M buyout of existing equity holders.
- Represented an online community dedicated to healthy, environmentally balanced, sustainable living in its $3M issuance of convertible debt and Series D-1 preferred stock.
Mergers & Acquisitions
- Represented an actions sports brand holding company in its $47.5M corporate reorganization.
- Represented a French medical equipment manufacturer in its $46.5M acquisition of all the stock of a U.S. manufacturer of biopharmaceutical storage and transportation technology.
- Represented a U.S. shareholder of a French geomechanical software and consulting company in the acquisition of all the shares of the company by a global French company.
- Represented shareholders based in Hong Kong and the United Arab Emirates in the sale of all the stock of a U.S. IT consulting company to an Indian public company.
- Represented a public company in its purchase of multiple restaurants in its campaign to build a national fast-casual chain of cafes and catering outfits for organic, clean food.
- Represented the leading developer of finite element engineering analysis and simulation software for the space industry in its asset sale to Autodesk.
- Represented the U.S. subsidiary of a software development Canadian public company in its sale of Canadian, French, and U.S. assets of a software division to a U.S. public company.
- Represented a French probe card and IC testing company in its acquisition of a majority interest in a Silicon Valley competitor.
Speaking Engagements
- San Diego Angel Conference, Angel Academy, Convertible Notes, SAFEs, and Priced Rounds: How Early-Stage Financing Evolved and What it Means for You, February 27-28, 2025.
- NuFund Venture Group, Legal Fundamentals for Angel Investors, February 7, 2024.
- San Diego Angel Conference, Angel Academy, Early-Stage Investing: Opportunities & Traps, January 26, 2024.
- University Club; Y.E.S. Business Development Series, Entity Formation & IP Protection, March 27, 2023.
- San Diego Angel Conference, Entrepreneur Academy, Early-Stage Investing: How We Got Here, November 17, 2021.
- San Diego Angel Conference, Angel Academy, Deal Structure and Valuation, November 12, 2021.
- Tech Coast Angels, Series Seed Equity, October 1, 2021.
- Tech Coast Angels, SAFEs, Notes, & Series Seed, March 3, 2021.
- Tech Coast Angels, Series Seed Preferred Stock Financing, October 22, 2020.
- Tech Coast Angels, SAFE Financing Documents, March 14, 2017.
- EvoNexus Startup Incubator, Startups: How to Keep It Clean and Investment Ready, April 29, 2015.
Memberships
- American Bar Association
- State Bar of California


