Stephen M. Brackett

President, Managing Member, Co-Head of Alternative Investments at Shepherd Kaplan Krochuk, LLC

📍 Boston, Massachusetts, United States🔄 Updated September 2026💼 11 investments📅 28 years investing🗓 Last invested Jun 2022
VC🌍 United States
11
Total investments
3
Early stage
1
Mid stage
2
Late stage
28y
Years active

Portfolio

6 investments · sorted by recency
All investments
Early stage
Mid stage
Late stage
Board Member
Sep 2020
It’s our vision to develop sustainable solutions that support farmers as they responsibly and profitably produce enough food to feed the world. EnviroKure’s disruptive solution enhances plant growth and productivity, builds healthy soil and can reduce the need for chemical fertilizers. This patented technology produces proven microbial fertilizers that provide strong ROI for conventional and organic growers. Our innovative process extracts nutrients and microbes from an environmentally challenging waste stream, chicken manure, and transforms it into high value crop inputs that meet USDA National Organic Program and FDA Food Safety requirements. EnviroKure’s growing and diverse customer base spans 37 states in the US including conventional and organic vegetable, row crop and hydroponic producers. Key returning 2020 customers directly control over 130,000 acres in give Midwestern states and influence input selection on ~1 million acres, representing potential use of 8.5 million gallons of EnviroKure products.
Board Member
May 2020
Trilio is a leader in cloud-native data protection for Kubernetes and OpenStack environments. Our Trilio technology is trusted by cloud infrastructure operators and developers for backup and recovery, migration and application mobility. Customers in telecom, defense, automotive and financial services leverage Trilio to recover from disasters, migrate workloads, move workloads to new infrastructure and migrate to new software distributions.
Board Member
Feb 2020
Trellis is a fast-growing software platform leading the digital investment revolution. We provide an end-to-end solution for all participants in private investments, including issuers, intermediaries, and investors. We take the complexity out of the investment process and turn it into an automated workflow that connects everyone involved.
early stageCapital Markets
Member, Board of Advisors; Investor
Aug 2013
In August 2022, TalentReef was acquired by Mitratech, a proven global technology partner for corporate legal, risk, and compliance professionals, offering a proven portfolio of end-to-end solutions that spread operational best practices throughout the enterprise, standardizing processes and accelerating time-to-value. Mitratech helps legal and governance, risk, HR, and compliance teams rise to the challenge of serving the evolving needs of the modern, dynamic enterprise. TalentReef transforms the end-to-end talent management experience for HR professionals and business owners by simplifying recruiting, hiring, and retention of the hourly workforce — at any scale. By providing fast and intuitive ways for your applicants to apply, automated systems for your hiring managers, and mobile-optimized tools and experiences for your employees, TalentReef is everything you need for success today.
Senior Advisor; Investor
Nov 2012
Kaprica Security Inc. is expert in mobility and security, providing hosted and on-premise solutions. Kaprica was founded in 2011 by a team of cyber security experts from Lockheed Martin and Carnegie Mellon University, with the goals of delivering high quality cyber security services to a wide government and enterprise audience, and simultaneously developing easy to use and deploy software tools to support them. Today, clients range from DARPA, to the Department of Transportation, Lockheed, Intel and the University of Maryland. Kaprica is a Gold-Level Samsung partner and its enterprise software products include the Skorpion™, Tachyon™ and RunSafe™ lines and associated patents. Kaprica is headquartered just outside Washington, DC, in College Park, MD, with offices in Austin, TX. Learn more at kaprica.com.
Board Member; Investor
May 2012
NanoDx, Inc. is a privately-held, U.S. based, medical device company developing rapid point-of-care and in-vitro diagnostic products on its proprietary nanowire biosensor platform. The NanoDx™ System provides for direct measurement of blood and saliva analytes normally in less than 2 minutes from either a drop of whole blood or a small sample of saliva. In partnership with IBM and SkyWater Technologies, a low-cost, high-volume, licensed CMOS process has been integrated into NanoDx’s highly-advanced proprietary platform. The System consists of a single-use, disposable test cartridge and an analyzer. The company is focused on two near-term indications: traumatic brain injury (TBI) and Covid-19. The NanoDx™ System offers compelling competitive advantages based on its ultra-sensitivity and accuracy, speed, value, and ease-of-use. Additional potential diseases and conditions include stroke, sepsis, influenza and inflammatory diseases. FDA has not yet reviewed this product and it has not been cleared. Currently for research use only.
early stageMedical Device
Experience · 22 entries
All (22)
Investments (11)
Founder (2)
Board (7)
2022
Board Member
Jun 2022
Altaeros’ mission is to connect people, machines and data, no matter where they happen to be located. Founded at MIT in 2010, we are focused on developing and deploying innovative real-world infrastructure solutions to solve the most difficult infrastructure challenges. Altaeros' SuperTower solution is a tethered, aerial cell tower designed to extend communication networks to areas in need. SuperTowers float over ~1000 feet off the ground and can carry a variety of payloads including 4G, 5G, IoT, fixed wireless, environmental monitoring, and others. Each SuperTower can replace numerous ground-based towers, offering a quicker and less expensive way to build communications infrastructure or roll out new technologies. Learn more: www.altaeros.com
2020
Board Member
Sep 2020
It’s our vision to develop sustainable solutions that support farmers as they responsibly and profitably produce enough food to feed the world. EnviroKure’s disruptive solution enhances plant growth and productivity, builds healthy soil and can reduce the need for chemical fertilizers. This patented technology produces proven microbial fertilizers that provide strong ROI for conventional and organic growers. Our innovative process extracts nutrients and microbes from an environmentally challenging waste stream, chicken manure, and transforms it into high value crop inputs that meet USDA National Organic Program and FDA Food Safety requirements. EnviroKure’s growing and diverse customer base spans 37 states in the US including conventional and organic vegetable, row crop and hydroponic producers. Key returning 2020 customers directly control over 130,000 acres in give Midwestern states and influence input selection on ~1 million acres, representing potential use of 8.5 million gallons of EnviroKure products.
Board Member
May 2020
Trilio is a leader in cloud-native data protection for Kubernetes and OpenStack environments. Our Trilio technology is trusted by cloud infrastructure operators and developers for backup and recovery, migration and application mobility. Customers in telecom, defense, automotive and financial services leverage Trilio to recover from disasters, migrate workloads, move workloads to new infrastructure and migrate to new software distributions.
Board Member
Feb 2020
Trellis is a fast-growing software platform leading the digital investment revolution. We provide an end-to-end solution for all participants in private investments, including issuers, intermediaries, and investors. We take the complexity out of the investment process and turn it into an automated workflow that connects everyone involved.
early stageCapital Markets
2019
Board Member
Sep 2019
Provident is the leading investment banking firm specializing in merger and acquisition advisory, strategic planning, and capital formation for middle-market and emerging growth healthcare service companies. The firm has a vast network of high-level, senior industry contacts, a thorough knowledge of market sectors and specialties, and unsurpassed experience and insight into the M&A process.
Show all 22 entries ↓
Investment activity
1998–2022 · 11 investments
1998120031201012012220131201912020320221
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