Ossama Eissa

Ossama Eissa serves as Chief Operating Officer at Cellares. Cellares operates in the pharmaceuticals sector with approximately 260.0 employees. The company is headquartered in New York, New York. Cellares generates annual revenue of 4500000.0. To date, Cellares has raised 373000000.0 in total funding, with the most recent round being Series C.

Industry & Role Insights

• • MessageCEO tracks 1,288 executives in the pharmaceuticals sector.
• • 6,952 executive contacts are available in New York.
• • Our database includes 201,468 c suite-level executives.

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YM

Yathendra Madineni Chief Executive Officer at 4C Pharma Solutions

RB

Ronan Brown Chief Operating Officer at 4G Clinical

HK

Hitoshi Kamiya Chief Executive Officer at A2 Healthcare Corporation

LJ

Lars Jensen CEO at A-apoteket

TL

Tien Lee CEO at Aardvark Therapeutics, Inc.

Outreach Guidance — pharmaceuticals Sector

Executives like Ossama Eissa in the pharmaceuticals sector receive targeted outreach from sales teams, recruiters, and investors. To stand out, personalize your message with industry-specific context and a clear, specific value proposition relevant to their role at Cellares.

Ossama Eissa's Position in the MessageCEO Database

• •Ossama Eissa is 1 of 1 verified executive contact we track at Cellares.
• •1,240 verified executive contacts in pharmaceuticals are in the MessageCEO database.
• •6,778 verified executive contacts in New York are in the database.
• •6 verified contacts work at pharmaceuticals companies in the 260.0 employee range (same size as Cellares).

Executive contact data compiled from public business filings, LinkedIn public profiles, company press materials, and verified outbound email testing. We do not publish personal addresses or sensitive identifiers. Methodology & sources · Removal requests handled at /remove-info · Updated July 2026.

How do I reach Ossama Eissa directly?

Ossama Eissa's verified email address is available to MessageCEO Pro subscribers. They currently serve as Chief Operating Officer at Cellares. Access direct contact info to skip gatekeepers and reach the decision maker.

What company does Ossama Eissa work for?

Ossama Eissa is Chief Operating Officer at Cellares, a company in the pharmaceuticals sector with 260.0 employees. The company is based in New York, New York.

Can I pitch or sell to Ossama Eissa?

As Chief Operating Officer at Cellares, Ossama Eissa is a key decision-maker in the pharmaceuticals sector. MessageCEO Pro gives you verified email to reach Ossama Eissa directly — ideal for B2B sales, partnerships, and executive recruiting.

What industry is Ossama Eissa in?

Ossama Eissa works in the pharmaceuticals industry as Chief Operating Officer at Cellares. MessageCEO provides verified contact information for executives across all major industries.

Is Ossama Eissa's contact information verified?

Yes. MessageCEO verifies executive contact information through multiple data sources and regular validation checks. Ossama Eissa's profile is kept up-to-date with the latest available information.

Last updated: July 26, 2026