By referral only
Meet our team
Marianne Halvorsen
Founder & Principal · Strategi Builder LLC
With over 20 years navigating insurance markets across management liability, M&A transactions, and distressed situations, Marianne is the advisor executives turn to when placements are complex and the stakes are high.
Years Navigating Complex Risk
Core Strategic Areas of Focus
Referral-Based Growth
Deep carrier relationships across management liability, transactional, and wholesale markets.
Specialist in complex and hard-to-place risk across transactions and restructuring.
"Meet the market" approach ; direct alignment between clients and underwriters.
Operating across Miami & New York ; serving clients nationwide across private equity, institutional lending, M&A advisory, and emerging companies.
Recognized by The M&A Advisor and International M&A Awards for excellence in complex risk and transaction-related solutions.
Trusted by executives, investors, and deal teams navigating complex situations.
Collaborating with specialized wholesale partners across D&O, cyber, and complex liability.
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Accessing specialized markets and structuring solutions across D&O, transactional risk, and complex placements; optimizing coverage, pricing, and execution.
We shape how the risk is presented to the market, refining financials, pitch materials, and narrative so the business is positioned clearly, credibly, and strategically.
We begin by spending time getting to know the client, the business, and the context behind the risk, including leadership priorities, financial dynamics & transaction timing.
We help shape how the risk is presented to insurance markets, reviewing pitch decks, financials, and narrative so the business is positioned accurately & compellingly.
We engage directly with underwriters on behalf of the client presenting the risk thoughtfully, controlling the process, and managing all market dialogue.
We negotiate terms, structure, pricing, and conditions leveraging decades of experience and established carrier relationships to advocate for the best possible outcome.
We evaluate all available options and structure the optimal solution, balancing coverage, cost, flexibility, and long-term strategy.
Following placement, we facilitate a direct introduction between client and underwriter, building long-term relationships and ensuring transparency beyond the transaction.
Solutions by Stage
Every business presents a different risk profile. Select your stage below to explore customized solutions designed for your specific goals.
Select Your Business Stage:
We help early-stage companies establish the right insurance foundation as they begin to grow. This includes structuring management liability and core protections in a way that supports fundraising, board formation, and early governance without overbuilding or misaligning coverage.
We help early-stage companies establish the right insurance foundation as they begin to grow. This includes structuring management liability and core protections in a way that supports fundraising, board formation, and early governance without overbuilding or misaligning coverage.
Scott Chesky
Managing Partner, Chesky Partners
Marianne is a trusted advisor to our firm and our clients during M&A transactions. Her expertise in tail D&O and Rep & Warranty insurance brings clarity and confidence to sellers navigating complex exits. She is responsive, strategic and a true partner in getting deals done.
Andre A. Hakkak
Founder & CEO, White Oak Global Advisors
Marianne has been a trusted partner to us at White Oak Global Advisors for our business insurance needs and beyond. She brings a practical, thoughtful approach to lender diligence and has been especially helpful in working through complex D&O situations where coverage can be difficult to obtain.
Joerg Joergensen
International CFO Consultant
I've worked with Marianne on a number of international clients expanding into the U.S. market, including companies that transition from private to public. She has a strong understanding of cross-border insurance considerations and brings a practical, steady approach to navigating complexity as clients establish and grow their U.S. presence.
Selig D. Sacks
President, SDS Advisory, Inc.
Marianne brings deep insight and judgment to every engagement. Her thoughtful, steady approach has helped our clients navigate complex insurance challenges with confidence across both routine and highly bespoke placements.
Scott Chesky
Managing Partner, Chesky Partners
Marianne is a trusted advisor to our firm and our clients during M&A transactions. Her expertise in tail D&O and Rep & Warranty insurance brings clarity and confidence to sellers navigating complex exits. She is responsive, strategic and a true partner in getting deals done.
Andre A. Hakkak
Founder & CEO, White Oak Global Advisors
Marianne has been a trusted partner to us at White Oak Global Advisors for our business insurance needs and beyond. She brings a practical, thoughtful approach to lender diligence and has been especially helpful in working through complex D&O situations where coverage can be difficult to obtain.
Joerg Joergensen
International CFO Consultant
I've worked with Marianne on a number of international clients expanding into the U.S. market, including companies that transition from private to public. She has a strong understanding of cross-border insurance considerations and brings a practical, steady approach to navigating complexity as clients establish and grow their U.S. presence.
Selig D. Sacks
President, SDS Advisory, Inc.
Marianne brings deep insight and judgment to every engagement. Her thoughtful, steady approach has helped our clients navigate complex insurance challenges with confidence across both routine and highly bespoke placements.
Get in touch with us and discover how we can help protect your business with tailored insurance solutions.
Reach out directly to our principal strategy & insurance team.
Expert Insurance Solutions
Navigating complex risk through trusted partnerships
Business Hours
Mon - Fri: 9:00 AM - 6:00 PM EST (Response within 2-4 hrs)
Confidential Advisory
All details are protected under strict client confidentiality.
