Mark First

Director/Board Member at ADDUS HOMECARE CORPORATION

Net worth: 1 M $ as of 2026-05-30

61 year

78 connections

Finance

Health Services

Consumer Services

Profile

Mark L.
First is Lead Director at Addus HealthCare, Inc. since 2022.
Mr. First is Managing Director at Eos Partners SBIC III LP since 1994.
Mr. First is Lead Independent Director at Addus HomeCare Corp.
since 2022.
Mr. First is Managing Director at ECP General III LP since 1994.
Mr. First is Managing Director at Ecp Helios Partners III LP since 1994.
Mr. First is Partner at Eos Management LLC since 1994.
Former roles include Director at ModivCare, Inc. in 2005, Director at VeraSun Energy Corp.
in 2007, Director at PetIQ Holdings LLC from 2013 to 2017, Lead Independent Director at PetIQ, Inc. from 2017 to 2024, and Investment Banker at Morgan Stanley Investment Management, Inc. from 1987 to 1993.
Education includes an undergraduate degree from The Wharton School of the University of Pennsylvania in 1987 and an MBA from Harvard Business School in 1991.

Known holdings in public companies

Company	Date	Number of shares	Valuation	Valuation date
ADDUS HOMECARE CORPORATION 0.08%	2026-06-09	15,070 ( 0.08% )	1 M $	2026-05-30

Mark First active positions

Companies	Position	Start
ADDUS HOMECARE CORPORATION	Director/Board Member	2006-07-26
Eos Management LLC Eos Management LLC Investment ManagersFinance EOS Management invests in lower - middle market companies located in North America with an EBITDA of USD 5 – 50 million, revenues of USD 25 – 500 million. The firm focuses on a broad range of sectors and industries. It provides financing for acquisition, recapitalizations, corporate divestitures, PE credit/distressed opportunities (debt or equity), buyout and growth stage capital requirements with an investment size of USD 20 - 100 million. It acquires minority, majority and controlling interest.	Private Equity Investor	1993-12-31
Ecp Helios Partners III LP Ecp Helios Partners III LP Investment ManagersFinance Functions as private equity fund	Corporate Officer/Principal	1993-12-31
ECP General III LP	Corporate Officer/Principal	1993-12-31
Eos Partners SBIC III LP Eos Partners SBIC III LP Investment ManagersFinance Acts as Private Equity Fund	Corporate Officer/Principal	1993-12-31
Addus HealthCare, Inc. Addus HealthCare, Inc. Medical/Nursing ServicesHealth Services Provides home healthcare and hospice services	Director/Board Member	2022-09-30

All active positions of Mark First

Former positions of Mark First

Companies	Position	End
PETIQ, INC.	Director/Board Member	2024-10-24
PetIQ Holdings LLC PetIQ Holdings LLC Drugstore ChainsRetail Trade Distributes and supplies pet pharmaceutical products	Director/Board Member	2017-06-30
VeraSun Energy Corp. VeraSun Energy Corp. Chemicals: SpecialtyProcess Industries Manufactures ethanol as a renewable energy source	Director/Board Member	2007-07-31
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Training of Mark First

Experiences
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Private companies

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Connections

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Linked companies

Private companies	13
ModivCare, Inc. ModivCare, Inc. Other TransportationTransportation Provides non-emergency medical transportation services	Transportation
Morgan Stanley Investment Management, Inc. Morgan Stanley Investment Management, Inc. Investment ManagersFinance MSIM’s investment strategies span the risk/return spectrum across geographies, investment styles and asset classes, including equity, fixed income, alternatives and private markets. When considering their clients’ unique investment profiles, the firm applies a holistic approach, with a goal of incorporating the different factors affecting investors’ investment decisions. The firm combines top-down country allocation with bottom-up stock selection and disciplined risk management.	Finance
VeraSun Energy Corp. VeraSun Energy Corp. Chemicals: SpecialtyProcess Industries Manufactures ethanol as a renewable energy source	Process Industries
PetIQ Holdings LLC PetIQ Holdings LLC Drugstore ChainsRetail Trade Distributes and supplies pet pharmaceutical products	Retail Trade
Addus HealthCare, Inc. Addus HealthCare, Inc. Medical/Nursing ServicesHealth Services Provides home healthcare and hospice services	Health Services
Eos Partners SBIC III LP Eos Partners SBIC III LP Investment ManagersFinance Acts as Private Equity Fund	Finance
Addus HomeCare Corp. Addus HomeCare Corp. Medical/Nursing ServicesHealth Services Provides home health and personal care & hospice services	Health Services
ECP General III LP
Eos Management LLC Eos Management LLC Investment ManagersFinance EOS Management invests in lower - middle market companies located in North America with an EBITDA of USD 5 – 50 million, revenues of USD 25 – 500 million. The firm focuses on a broad range of sectors and industries. It provides financing for acquisition, recapitalizations, corporate divestitures, PE credit/distressed opportunities (debt or equity), buyout and growth stage capital requirements with an investment size of USD 20 - 100 million. It acquires minority, majority and controlling interest.	Finance
The Wharton School of the University of Pennsylvania The Wharton School of the University of Pennsylvania Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
Harvard Business School Harvard Business School Other Consumer ServicesConsumer Services Functions as a College/University	Consumer Services
PetIQ, Inc. PetIQ, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and distributes pet medications, supplements & veterinary care products	Health Technology
Ecp Helios Partners III LP Ecp Helios Partners III LP Investment ManagersFinance Functions as private equity fund	Finance