Filip holds director positions at two boutique consultancies: Negotiation Evolved and Praxis Advisory. He has advised organisations on billion dollar negotiations, coached hundreds of executives across 44 countries, and contracted his services to a dozen specialised negotiation service providers. Filip has taught over 400 in-person negotiation programs for 13,000 participants, including senior executive leadership across business, NGOs, academia, government, judiciary, intelligence, military and law-enforcement. He maintains current accreditation with two law enforcement hostage negotiation accreditation bodies, accreditation in mental health first aid, and he has volunteered as a suicide hotline crisis supporter. Additionally, Filip has himself attended 95 negotiation and crisis negotiation related programs taught by government, law enforcement, academic, and private sector negotiation providers. All this combined puts Filip in a unique position to evaluate the available approaches to negotiation, and to provide an informed perspective on what works and what doesn't.

Different versions of Filip's negotiation programs have been selected by top-tier academic institutions and military academies in 15 countries across the Americas, Europe, Middle East, Asia and Oceania. As adjunct professor in the faculty of decision sciences at INSEAD, Filip has taught in 47 executive programs, primarily Negotiation Dynamics (ND). Filip is also program director at the Australian Graduate School of Management (AGSM) where his programs have run 83 times, primarily under the names of Advanced Negotiation and Influencing (ANI) and Developing Effective Negotiation Skills (DENS). At the Royal Institute of Governance and Strategic Studies (RIGSS) in Bhutan, Filip's negotiation training was incorporated into five of the Senior Executive Leadership Programs (SELP) and Military Leaders Strategic Studies Seminars (MLS). At Mahindra University in India, Filip teaches the executive program on Mastering Negotiation and Influence (MNI). Indian School of Business (ISB) contracted Filip to run 16 of his executive programs under the names Mastering the Art of Negotiation and Influence (MANI) and Strategies for Effective Negotiation (SEN). Macquarie Graduate School of Management (MGSM) contracted Filip to run 30 of his negotiation programs to executive, MBA and MoM participants. And at University of Technology Sydney (UTS) Filip taught negotiation across the university to executive, EMBA, MBA, MBITM and undergrad participants. Additionally, thematic versions of Filip's courses are sporadically offered via professional membership organisations, e.g. ACS, HKAPI, IACCM, MFA, PRIA, TEC and YPO. Finally, Filip has for over a decade contributed to Academy Global's annual Emerging Leaders Program (ELP) for the Not-For-Profit sector.

Filip has contributed articles to INSEAD Knowledge, some of which have been republished elsewhere, e.g. in CEO Magazine. You can find a snapshot of Filip's insights on negotiation in his 2013 book, Negotiation Evolved. He has over the last decade researched and written two more unreleased books on crisis and hostage negotiation, with input from two dozen crisis negotiation experts across the globe.