We are early-stage technology investors with a highly specialized focus on innovations that address water and wastewater challenges.


Our mission is to invest in and support young companies who are leveraging hardware, software, and business model innovation in targeted end-user market segments, spanning: the built environment, industrial/ag markets, and utilities.  We are particularly bullish on companies with innovations that address one following value propositions: 1) Data-driven solutions, 2) distributed water, 3) health & safety, and 4) remediation & restoration.     


Hallsby PhD

In the water/wastewater business for 30 years as a scientist, engineer, and sales/marketing executive. Prior to Mazarine he held an executive leadership role at Nalco, overseeing sales, marketing, and strategy.

Anders oversees technology & markets due diligence and manages Mazarine's pipeline of investment opportunities. 


John Robinson

In the water/wastewater business for 12 years as a consultant, investor, and thought-leader, specifically focused on international markets.

John oversees Mazarine's day to day operations, deal origination, strategic and operational due diligence, and investor relations.  


Tami Fratis

In the venture capital and private equity business for 25+ years with experience in 10 funds and 32+ deals.  She spent 10 years with Meidlinger Partners as fund advisor, and board member to portfolio companies and is passionate about investment prospects relating to water. 

Tami oversees Mazarine's financial due diligence and investor relations. 



In the water/wastewater business for 30+ years serving in a wide range of roles primarily overseeing sales and marketing in industrial markets, building off a strong technical background. His last Nalco position was Sr. Vice President of Marketing


Pete oversees Mazarine's strategic and operational due diligence and is our go-to sales and marketing specialist for Mazarine's portfolio companies.   

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