Jonnie Yewdall

Chief Commercial Officer and Board Director Consultant

Jonnie Yewdall

Jonnie is a seasoned business leader with diverse expertise spanning oil tanker chartering, agricultural operations, corporate communications, and biotech commercialisation. He excels in strategic growth and operational transformation across multiple industries.

Areas of Expertise &  Services Offered

Location: Worldwide    Availability: Available full-time from the end August. Available part-time from the UK currently.

1.

Strategic Leadership

2.

Commercial Leadership & Business Development

3.

Stakeholder Management

4.

Fundraising & Investor Relations

5.

Market Expansion & Relationship Building 

6.

Leadership & Talent Development

7.

Resilience & Decision-Making

Key Achievements

1.

Marc Rich & Co. (Now Glencore) – 1992 - Played key role in establishing St Shipping, the ship-owning and time-chartering division that remains highly profitable today, contributing significantly to Glencore's global logistics and trading operations.

2.

West Webbery Farm – 2006 - Led multiple entrepreneurial ventures while serving in industry leadership roles including Chairman of South West Guernsey Society and Board Member of Breeding and Genetics Committee. Represented farming interests during Foot and Mouth crisis at parliamentary inquiries and featured in national media including BBC, ITV, and Panorama.

3.

K4 Creative – Since 2019 - Directed strategic business transformation from 100% retail marketing to London-centric model (80% office, 20% retail), achieving approximately 50% annual revenue growth through focused market repositioning.

4.

PBD Biotech – Since 2020 - Built solid investor base and successfully led multiple funding rounds to support company growth and development of innovative diagnostic testing technology for TB in both humans and animals.

Professional Experience

PBD Biotech Ltd,

Chief Commercial Officer & Board Director,

January 2022 – Present

Leading commercialisation strategy for innovative diagnostic tests targeting Human and Bovine TB, as well as Johne's Disease (MAP). Driving product launches across UK, US, and European markets while managing investor relations and funding rounds for diagnostic technology company.


New Business, K4 Creative,

Consultant (Part-Time),

October 2019 – Present

Identifying and introducing new clients while playing pivotal role in company's strategic repositioning and revenue growth. Contributing to transformation from retail-focused to London-centric business model with significant annual revenue increases.


New Business, Sutton Young,

Director,

April 2018 – October 2019

Led new business efforts in property marketing and placemaking sector, working across retail, residential, and commercial office space branding. Developed strategic partnerships and expanded market reach in specialized property communications.


New Business, Emperor,

Director,

March 2015 – April 2018

Directed new business strategy for leading corporate communications agency, contributing to growth of services including annual reporting, investor websites, sustainability communications, and corporate video production. Enhanced agency's market positioning and client portfolio.


JD & JA Yewdall,

Business Owner / Managing Director,

July 1999 – April 2013

Transformed underinvested 60-cow dairy farm into modern operation milking 400 cows, introducing diversified revenue streams including holiday cottage business, beef box scheme, and commercial pheasant shoot. Achieved significant operational improvements and business expansion.


Ceba Shipping,

Chartering Manager,

February 1993 – January 1996

Oversaw chartering of vegetable oil and clean product tankers trading in Asia, East Africa, and Mediterranean. Managed joint ventures including strategic partnerships with Georgian Shipping from London headquarters.


Marc Rich & Co.,

Chartering Executive,

September 1988 – January 1993

Managed global tanker chartering operations across major trading hubs in London, Amsterdam, Singapore, and Connecticut. Responsible for chartering wide range of vessels from VLCCs to small product tankers for both clean and dirty cargoes.


Professional Experience

PBD Biotech Ltd

Chief Commercial Officer & Board Director | January 2022 – Present

Leading commercialisation strategy for innovative diagnostic tests targeting Human and Bovine TB, as well as Johne's Disease (MAP). Driving product launches across UK, US, and European markets while managing investor relations and funding rounds for diagnostic technology company.


K4 Creative

New Business Consultant (Part-Time) | October 2019 – Present

Identifying and introducing new clients while playing pivotal role in company's strategic repositioning and revenue growth. Contributing to transformation from retail-focused to London-centric business model with significant annual revenue increases.


Sutton Young

Director, New Business | April 2018 – October 2019

Led new business efforts in property marketing and placemaking sector, working across retail, residential, and commercial office space branding. Developed strategic partnerships and expanded market reach in specialised property communications.

Education & Training

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