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Viridian Team

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Scott Greiper

Mr. Greiper is the president and founding partner of Viridian Capital Advisors. He has had a distinguished 20-year career in the technology, security, and information technology sectors as both a research analyst and investment banker.

Mr. Greiper is also the president and founder of Secure Strategy Group, which provides capital, strategic advisory, and M&A services to growth companies in the technology, security, and IT markets. Previously, Mr. Greiper was a principal and senior analyst at C. E. Unterberg, Towbin, where he covered public companies in the global security industry and was consistently ranked as one of the top analysts in the sector. He has been involved in raising more than $400 million for both public and private companies and has completed a range of M&A assignments.

Mr. Greiper attended the Executive MBA program at Columbia University and holds a B.A. in economics from the University of Chicago. He holds FINRA Series 7, 63, and 79 licenses.

Phone: (212) 209-3084

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Harrison Phillips

Mr. Phillips is Vice President of Viridian Capital Advisors and currently leads Viridian’s data collection and analysis projects, the Viridian Cannabis Deal Tracker and the Viridian Cannabis Stock Index. In these activities, Mr. Phillips monitors, catalogs, and analyzes capital markets activity and stock performance of companies in the cannabis industry.

His prior experience includes asset classification, database management, and spreadsheet programming at Black Diamond Performance Reporting and product research at Brower Financial Group.

At University of North Florida, where Mr. Phillips received a B.B.A. in Finance, he held the position of co-manager and statistician of their student-managed investment fund, Osprey Financial Group.

Mr. Phillips is a Level III candidate in the CFA Program.

Phone: (212) 209-3086


Paul Rabinovitch

Paul Rabinovitch leads Viridian’s real estate investment and advisory practice and brings to the firm more than 20 years of real estate acquisition, development, equity investment, and asset management experience. He has successfully completed over $600 million in projects ranging from ultra-luxury single family homes, green multifamily apartments, utility scale solar plants, townhouse communities, and other entrepreneurial ventures.

Mr. Rabinovitch has held senior executive positions in several East Coast and West Coast real estate companies and is an acknowledged thought leader and public speaker, noted for balancing a well-honed business approach with a focus on capturing a sustainable future.

He has been active in civic life and has served as the vice chairman of the Montclair Planning Board (a mayoral-appointed position) and on the board of directors for the College of Science, Sustainability, and Mathematics at Montclair State University.

Mr. Rabinovitch holds Series 7, 63, and 70 FINRA licenses.

He lives in Marin County with his wife and 2 children and enjoys a very active outdoor life that includes biking, climbing, running, and hiking.

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Michael Swartz

Mr. Swartz leads all modeling and valuation work for the firm’s M&A and fund raising assignments. He served as co-portfolio manager for the Osprey Financial Group (OFG), a student-managed investment fund at the University of North Florida, where he analyzed publicly traded companies with market capitalizations from $50 million to $1 billion and prepared buy-side equity reports containing recommendations and original valuations derived from fundamental & technical analysis. In addition, Mr. Swartz served as OFG’s Asian economist, analyzing economic and geopolitical factors and assessing the Asia-Pacific region for attractive investment opportunities.

Previously, Mr. Swartz worked as an analyst at TBG Holdings, assisting clients with researching strategic options as it relates to market opportunities, competitive positioning, and allocation of resources.

Mr. Swartz holds a B.B.A. in finance and minor in criminal justice from the University of North Florida.

Phone: (212) 209-3088

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Carl Kleidman

Mr. Kleidman, as an attorney and an experienced public and private equity investor with over 30 years of investing experience, advises our clients on SEC, M&A, corporate, and legal matters. For the past 12 years, he has worked with private equity/hedge funds including BelHealth Investment Fund, Vision Capital Advisors, and ComVest, where he directed investments in micro and small cap public and private companies in privately negotiated transactions.

Prior to that, Mr. Kleidman served as managing director and head of corporate finance for Commonwealth Associates, where he managed or co–managed over 75 public offerings, 24 private placement transactions, and was financial advisor in connection with over 10 M&A, strategic partnership, or restructuring transactions.

Prior, he was an attorney with the law firm of Shea & Gould for approximately 10 years after becoming a partner in 1992. At Shea & Gould, he was primarily involved with representing investment banking firms, private equity firms, and private and public companies in connection with public offerings, private placements, and merger and acquisition transactions.

Phone: (917) 496-5406