Code of Conduct Lawyers for Simi Valley, California

Seasoned transactional attorney with extensive experience in the life sciences / medical device / pharmaceutical industries. Skilled at providing actionable legal advice that balances risk and reward.

I received my undergraduate degree from Columbia University and my JD from UC Davis School of Law. I specialize in drafting, reviewing, and litigating contracts, general civil litigation, restraining orders, and family law. I have helped entrepreneurs form their business entities and grow their small businesses. This area of my practice has focused heavily on YouTubers, podcasters, and individuals creating unique online platforms. In the family law context, I have helped my clients petition for and obtain custody of their children and modify existing custody arrangements.

Attorney with a wide-range of experience

I have been a litigator in state and federal jurisdictions throughout the United States for the past 15 years, save for an eight-month stint as General Counsel and Chief Compliance Officer for a credit card processing company. I am an asset to any firm looking for support with any type of motion work or coverage for appearances, if necessary. I like to refer to myself as a self-proclaimed "walking code of civil procedure." I look forward to working with you and helping however I am able. Thank you for your consideration.

With nearly a decade of in-house experience at publicly traded and high-growth technology companies, I bring a practical and business-focused approach to negotiating and managing a wide range of commercial agreements, including SaaS, licensing, procurement, and enterprise contracts. I lead strategic negotiations, advise on risk, and collaborate cross-functionally to support scalable legal processes. My background includes enhancing contract frameworks, refining templates, and driving alignment between legal strategy and business goals.

I am a San Francisco attorney with specific expertise representing the public with residential and commercial real estate interests in the Bay Area. I apply my background in dispute resolution services, contract analysis, and conflict management to identify and produce long-term results for clients amidst demanding and unforeseen circumstances.

Multilingual California Attorney with experience in Immigration, Real Estate, Contracts.

Rosanne (Rosie) Brady Muschenheim is an experienced estate planning attorney practicing law exclusively in trusts, estates, business, and tax law. She studied advanced tax law by taking several courses through Boston University's LLM program. She served as the Western Region Estate Planning Consultant for Bessemer Trust Company in addition to running her own law firm. Rosie spent several years working in Silicon Valley at a prestigious law firm serving ultra high net worth clients, including Founders, Directors, and Officers at companies such as Google, Netflix, Juniper Networks, Tesla, DocuSign, Looker, Nvidia, Xilinx, and Fortinet. Rosie spent time practicing in Honolulu, Hawaii serving ultra high net worth clients, including descendants of Hawaiian royalty. While in Orange County, Rosie assisted many high net worth clients of notable fame in the entertainment industry and the manufacturing industry. Rosie started her own law firm to provide a more customized and personal service to clients than what is offered through larger law firms. Trust is essential to building client relationships, and with her own law firm Rosie is able to provide more attention and care to each client matter.

David M. Abner is a practicing attorney with over 30 years of experience representing clients ranging from startups to Fortune 500 companies in California and Texas. Mr. Abner is currently based in Los Angeles, California, and his practice focuses on negotiating the purchase and sale of businesses; negotiating equity and debt financing agreements; drafting and negotiating revisions to a variety of commercial agreements; and investigating and responding to law enforcement and regulatory compliance investigations. Additionally, Mr. Abner has considerable experience dealing with litigation involving ownership and valuation of privately held companies. He has tried nearly a dozen cases in private practice, including cases involving breach of contract, products liability, fraud, and officer and director liability. As in-house counsel for Ashland Inc., Mr. Abner worked with business leaders daily to assess, manage and prevent a variety of legal risks that threatened the viability and profitability of products, services and customer relationships. His efforts produced results that included settling a $700M anti-trust class action lawsuit for less than $7M; assisting in closing the sale of the company’s joint venture interests in an oil and gas subsidiary; assessing and quantifying the liabilities associated with the acquisition of other businesses; and supervising Ashland’s responses to DOJ, FBI and EPA investigations. Mr. Abner has been licensed to practice law in Texas since 1993, and in California since 2012. Mr. Abner obtained his Juris Doctorate from the Dedman School of Law at Southern Methodist University in 1993, and a Bachelor of Arts degree from the University of South Carolina in 1990.

After 15+ years at leading firms in Silicon Valley, Boston, and DC, I started Supernova Law to partner with the clients who inspire me most—start-ups, mission-driven companies, B-Corps, and non-profits. My goal is simple: provide accessible, affordable, high-quality legal support to innovators creating positive change for our society. At Supernova Law, your vision and values come first.