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Founded Year



Seed VC | Alive

Total Raised


Last Raised

$4M | 5 mos ago

About Mosaic

Mosaic is a SaaS platform that helps companies maximize their efficiency and profitability by automating the planning, management, and tracking of time. Its patented AI dynamically updates people’s work plans to optimize who works on what and when. Mosaic’s dashboard provides real-time actionable insights about how the team is performing and the health of the business.

Mosaic Headquarter Location

58 West 40 Street

New York, New York, 10018,

United States


Latest Mosaic News

People Moves: Former Hamilton Execs Glover, White to Mosaic; Alta Signa Hires AIG’s Lange as Snr. U/W; BHSI Names QBE’s Gállegos as Mgr. for Spain

Sep 2, 2021

for Spain September 2, 2021 A summary of these new hires follows here. Mosaic Hires Executives Glover as CUO and White as Underwriting Director, Both From Hamilton Leading insurance market executives Tim Glover and David White have joined Mosaic Insurance, as chief underwriting officer and underwriting director, respectively. Based in London, both will also be members of the specialty insurer’s leadership team. Tim Glover Glover has more than 30 years’ experience in the London and global insurance markets. In 2004, he was one of the founders of Pembroke Managing Agency and Syndicate 4000, which became a top quartile-performing Lloyd’s business. While there, he held several key roles, including active underwriter, chief underwriting officer, and chief executive officer. When the business was sold to Hamilton Managing Agency in 2019, he became CEO and a member of Hamilton Group’s executive leadership team. Glover began his career at RM Pateman Managing Agency, and previously also worked at Hiscox and SVB syndicates. At Mosaic, Glover’s role as CUO encompasses oversight of underwriting activities, portfolio management, claims, reinsurance, pricing and reserving. David White White has worked in the Lloyd’s market since 1985, initially as a broker, and started his underwriting career at SVB in 1999. He was one of the founding underwriters of Pembroke Syndicate 4000 in 2004, establishing its professional lines division which he ran for a decade. He held a number of roles with Ironshore and Pembroke Managing Agency, later acquired by Hamilton Group, including head of distribution, chief underwriting officer, and director of the managing agency; he also served on boards of U.S. and Canadian subsidiaries. At Mosaic, White’s role as EVP focuses on underwriting portfolio development and governance throughout regional offices. He will have particular responsibility for underwriting discipline within Mosaic’s syndicated capital management and consortia operations. Bermuda-based Mosaic combines Lloyd’s Syndicate 1609 with a wholly owned syndicated capital management agency, enabling the company to identify, source and underwrite business on behalf of itself, along with other trade-capital partners. Its six lines of business launched to date include: transactional liability, cyber, political risk, political violence, financial and professional lines. *** MGA Alta Signa Names AIG’s Lange as Senior Underwriter in Germany Alta Signa Europe B.V., the Belgium-based MGA, announced a key appointment to its growing business in the DACH (Germany, Austria and Switzerland) region. Based in Munich, Germany, Thomas Lange joins Alta Signa in DACH as senior underwriter and he will be responsible for managing commercial D&O and financial institutions business with a focus on large clients in Germany and Austria. His appointment is subject to regulatory approval and is consistent with Alta Signa’s close-to-source underwriting approach to meet the needs of clients and broker partners. Lange was previously with AIG where he was most recently senior underwriter, Financial Institutions and D&O. Prior to this, he was with Munich Re as casualty treaty and financial lines facultative underwriter. Lange began his career as a claims lawyer and is a qualified lawyer. This is the latest in a series of underwriting appointments for Alta Signa in the DACH region following the arrivals of Anna-Marie Schmidt in July and Wolfgang Polzer in August. About Alta Signa Over the last 12 months, Alta Signa launched in Belgium and set up branches in France, Spain and Italy. In addition to DACH, Alta Signa is working towards opening a branch in the Netherlands which is currently awaiting regulatory approval. Alta Signa is dedicated to the Continental European Specialty Insurance market where it aims to be the preferred trading partner of regional, national and pan-European insurance brokers servicing commercial and corporate clients locally. Alta Signa Europe BV/SRL is a company authorised and regulated by the Financial Services Market Authority (Belgium) to act as a mandated underwriter and reinsurance intermediary. Alta Signa Europe BV/SRL is registered in Belgium. *** Constanza Gállegos Berkshire Hathaway Specialty Insurance (BHSI) recently announced it has added Constanza Gállegos to its leadership team in Europe as country manager, Spain. Gállegos has nearly 24 years of experience in the European insurance industry. Most recently, she was head of Distribution, Europe, at QBE Insurance, where she spent 14 years in increasingly senior positions. She holds Bachelor of Laws, Bachelor of Economics & Bachelor of Business Administration degrees from Universidad Pontificia Comillas. She is based in BHSI’s office in Madrid and can be reached at +34 671 543 523 or

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