Every title the Muswell Rose group publishes is written and reviewed by a named person whose record in that field is real and checkable. This page is the directory: each profile carries the full career history, credentials and verified links, and each group site links back here from its bylines.
Adam Parker
Founder & Managing Director, Muswell Rose
Writes and edits across the group where his record is direct: he ran an invoice finance business, advised on mortgages for eight years under an FCA-regulated network, and has spent his career in SME finance.
Derren Powell
Payments & Fintech Specialist · Founder, Finterra
Independent payments reviewer for MerchantHQ. More than 25 years in financial services, including over seven years at Mastercard, most recently as Vice President, Business Development, Merchants. Founder of Finterra, an independent payments and fintech advisory.
Jessica Barker
Insolvency Practitioner · Associate Director, Xeinadin Corporate Recovery
Insolvency Practitioner (IP No. 32050, ICAEW) and Associate Director at Xeinadin Corporate Recovery, Manchester. Chair of R3’s national New Professionals Steering Group and its North West New Professionals Committee.
Oliver Mackman
Operations & Marketing Director, Muswell Rose
Builds the group’s software and systems, writes across its sites and runs its marketing. Author of The UK Invoice Finance Handbook and The UK Card Payments Handbook. Director of Best Business Loans Ltd (16833937).
Julie Boora
Superintendent Pharmacist & Co-Founder, TribElle
Independent clinical reviewer for Her Vitals. GPhC-registered Superintendent Pharmacist (2047130) and co-founder of TribElle, with three decades in pharmacy across Boots, John Bell & Croyden and Lloyds.
Specialist reviewers join the network by field. Each is verified, consents to a named profile, and genuinely reviews the content that carries their name.