Mark Colman

Director/Board Member at TOMBILL MINES LIMITED

Net worth: 925 420 $ as of 2026-08-30

65 year

17 connections

Non-Energy Minerals

Consumer Services

Finance

Profile

Mark Colman is the founder of Alta Capital LLC, founded in 2014.
Mr. Colman currently holds the position of Director at Tombill Exploration Ltd. and Independent Director at Tombill Mines Ltd. since 2020.
Mr. Colman completed undergraduate education at Harvard Business School.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
TOMBILL MINES LTD. 9.01%	2025-05-22	23,728,723 ( 9.01% )	925 420 $	2026-08-30

Mark Colman active positions

Companies	Position	Start
TOMBILL MINES LIMITED	Director/Board Member	2020-12-08
Tombill Exploration Ltd. Tombill Exploration Ltd. Other Metals/MineralsNon-Energy Minerals Provides natural resource mining services	Director/Board Member	-

All active positions of Mark Colman

Former positions of Mark Colman

Companies	Position	End
Alta Capital LLC Alta Capital LLC Finance/Rental/LeasingFinance Alta Capital LLC is an investment advisory firm specializing in disciplined, research-driven equity strategies focused on quality growth stocks with long-term investment horizons. The private company offers concentrated portfolios across several US equity strategies, including large-cap, all-cap, select, quality dividend growth, and SMID, primarily through separately managed accounts and mutual funds. The company is based in Bloomfield Hills, MI. The company was founded by Mark Colman.	Founder	-

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Training of Mark Colman

Experiences
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Linked companies

Private companies	4
Harvard Business School Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Alta Capital LLC Alta Capital LLC Finance/Rental/LeasingFinance Alta Capital LLC is an investment advisory firm specializing in disciplined, research-driven equity strategies focused on quality growth stocks with long-term investment horizons. The private company offers concentrated portfolios across several US equity strategies, including large-cap, all-cap, select, quality dividend growth, and SMID, primarily through separately managed accounts and mutual funds. The company is based in Bloomfield Hills, MI. The company was founded by Mark Colman.	Finance
Tombill Exploration Ltd. Tombill Exploration Ltd. Other Metals/MineralsNon-Energy Minerals Provides natural resource mining services	Non-Energy Minerals
Tombill Mines Ltd. Tombill Mines Ltd. Precious MetalsNon-Energy Minerals Mines for gold and other minerals	Non-Energy Minerals