Performance & Longevity Coaching

Not easy.
Not comfortable.
All yours.

Most people wait until something breaks - their health, their energy, their focus. I work with people who don't.

Request a Discovery Call How it works
35+ years of practiceCompanies, talks, books, films - and a few precious hours kept for 1-1 work.
Systems over willpowerWe don't chase motivation. We design and integrate structure.
Data before opinionBlood work, DNA, DEXA, VO2 max - clarity first, plans second.
The stance Doychin Karshovski - Performance and Longevity Coach
“Common sense
has become gold.”

In over 35 years, I've seen every excuse. I've witnessed breakdowns - and extraordinary transformations.

I can't and won't breathe, sleep, or move for you. What I will do is help you get clarity, direction, and the right pressure to build a system that supports your body and mind for what's coming.

Before burnout. Before pain. Before decline.

Coaching with me is not for everyone. I work with a limited number of committed people who are ready to take ownership of their actions and future.

Doychin Karshovski - Performance & Longevity Coach

Author of six books on human performance and longevity - "401 Fitness" and the series "This Book Doesn't Matter": Breathe, Sleep, Play, Eat, I Am. Founder of DoychZone, Performize, and Moytu.

Temeli - The Foundations

Six pieces. One whole.

Not tips. Not hacks. Six interlocking foundations of equal weight - no hierarchy, no favorites. Remove one and the circle does not hold. Every plan I build maps back to these six.

T-01BreathT-02SleepT-03MovementT-04NutritionT-05MindfulnessT-06Prevention

Temeli means foundations. In a time when information is overflowing and everyone is shouting for attention, common sense has become gold. What people need isn't more noise - it's simplicity, clarity, and rituals they can live with.

Stay Ahead™

The real advantage is timing.

Most approaches to health and performance are reactive - people change only when something breaks. Stay Ahead was built for a different type of person. When you act early, everything costs less: less energy, less damage, less recovery.

Stay Ahead is not

  • Motivation coaching
  • Accountability babysitting
  • Quick fixes or biohacks without context
  • Encouragement for its own sake

Stay Ahead is

  • Systems over willpower
  • Structure over hype
  • Long-term thinking applied daily
  • Responsibility over comfort
BeforeEnergybefore fatigue becomes normal
BeforeStructurebefore motivation disappears
BeforeHealthbefore decline becomes visible
BeforeCapacitybefore life demands more from you
1-1 Coaching

A process, not a preset program.

Personalized and evolving - designed around your biology, your resources, and real life. Built on Stay Ahead™, mapped to Temeli.

01

Baseline assessmentData first

We start by understanding where you actually are - not how you feel, not what you assume. Depending on your profile: blood work, DNA testing, DEXA and body composition, VO2 max, movement and recovery indicators, stress load review. We don't build plans on guesses.

02

Resource analysisReality matters

No system works if it ignores reality. We map what you actually have: time, training and recovery capacity, budget, external constraints. This step determines what is sustainable - not what looks good on paper.

03

Plan 1Simple, focused, executable

Not the perfect plan - the right starting plan. Minimal enough to fit your life, structured enough to create signal, designed to stick, not impress. We start working immediately.

04

IterationUntil it sticks

Plans evolve only when behavior stabilizes. We adjust frequency, volume, intensity, recovery, and rituals - at a rhythm that matches your capacity. We don't change things before they have time to work.

05

MonitoringFeedback loops

Progress is tracked, not assumed: performance markers, recovery signals, subjective feedback, periodic reassessment. When relevant, we repeat key tests - not to chase numbers, but to confirm direction.

06

RecalibrationProgress compounds

At defined intervals we step back and reassess biology, capacity, constraints, and goals - then recalibrate the system. This is how progress compounds. Quietly. Over time.

Data before opinion Systems before motivation Timing before intensity Consistency before optimization Prevention before correction
Rates & Packages

Book only when you're ready to act.

All coaching is 100% remote, available in English and Bulgarian. My commitment is always to deliver more value than the number on the invoice.

Single Session

Foundations Session

$600

50 minutes of focused, uninterrupted work - we don't watch the clock. A deep diagnostic session to clarify where you are, what matters most right now, and what needs to change first.

  • 7-day follow-up via message or email
  • Clear next steps you can act on immediately
Request a Foundations Session
Most Depth

Transformation Package

$2,400

A structured 1-1 engagement for clients who want depth, continuity, and real momentum. Not short-term fixes - a system that holds.

  • 6 private sessions
  • Personalized tracking and guidance between calls
  • Valid 300 days from your first session
Request the Transformation Package
DNA Coaching

DNA Analysis

$1,200

Bring your provider's report. We focus on relevance over raw data.

  • Analysis of your existing DNA results
  • 1 private DNA coaching session
Request DNA Analysis
DNA Coaching

Full DNA Package

$3,000

Complex genetic data translated into practical decisions around training, recovery, nutrition, stress, and prevention.

  • DNA test + comprehensive report
  • 1 private DNA coaching session
Request the Full Package
The Full Program · Powered by Jinfiniti Precision Medicine

Making Sense
Longevity Intelligence

Not a health check-up. Not a coaching package. Advanced biomarker analysis, functional testing, and behavioral intelligence - synthesized into your personal Longevity Intelligence Map™, a living document that updates every time new data arrives.

The Map calculates your Longevity Gap: chronological age vs biological age vs functional age. That gap is your most actionable longevity insight - and nothing in standard medicine produces it.

TestActOptimize
$4,500Standard Entry
$2,500
Founding Cohort 2026 · 10 spots · All testing covered
Apply for the Founding Cohort
Layer 01 · Biological Intelligence

40+ biomarkers across 8 domains - NAD+, inflammation, hormones, metabolic function, cellular aging. Jinfiniti AgingSOS Ultimate Panel.

Layer 02 · Functional Intelligence

VO2max, DEXA body composition, grip strength, mobility, balance, recovery markers. Your functional age score.

Layer 03 · Behavioral Intelligence

Breath, Sleep, Movement, Nutrition, Mindfulness, Prevention scores - your Temeli Index™.

The Deliverable

One living Intelligence Map, a personalized protocol with full rationale, a 1-1 Foundations Session, and scheduled retests at Month 3, 6, and 12.

DNA coaching does not replace foundations. It sharpens them.

Giving back

Sometimes you truly need support but can't afford to pay for it. Every month, I donate one private session to someone who needs help most. If that sounds like you - apply.

Apply Here

Cancellation policy: sessions can be rescheduled within the same week at no charge. One free last-minute cancellation, no questions asked. Cancellations with less than 12 hours notice are charged in full. Unused package sessions expire 300 days after purchase.

Keynotes & Workshops

Book Doychin to speak.

35+ years at the intersection of human biology, performance science, and behavioral change. Author of 6 published books. One consistent message for corporate teams, leadership, and innovation forums: you cannot separate the machine from the biology running it.

01Flagship

Managing Personal Resources

Energy, attention, and recovery are finite - and most people manage them as if they're unlimited. Performance reframed as resource management for anyone under sustained cognitive load.

Keynote / Workshop / Retreat · 45 min to half-day
02High Demand

The Art and Science of Recovery

Recovery is not rest - it's a skill most high performers never learned. Why achievers sabotage it without knowing, and how to build protocols that work inside a demanding schedule.

Keynote / Workshop · 45 min to 3 hours
03Full Framework

The Temeli System - Six Pillars of Human Performance

The complete framework for sustainable performance. Delivered as a keynote overview, deep-dive workshop, or multi-session retreat module - each pillar also stands alone.

Keynote / Workshop / Retreat series · Modular by pillar
04Evidence-Based

Prevention First

Most wellness conversations happen too late. A prevention-first framework for personal and organizational health, built on 30 years of practice and 4 documentary films.

Keynote / Panel / Leadership session · 45-90 min
05Pillar Deep-Dive

Breathe Better, Perform Better

Beyond "just breathe" - the mechanics of breath, its direct impact on the nervous system and cognition, and techniques that work in real time, in a meeting or before a presentation.

Workshop / Masterclass · 60-180 min, highly interactive
06Pillar Deep-Dive

Sleep as a Performance Tool

Chronic sleep debt is the silent performance killer in every high-functioning team. The biology of sleep and habits that hold under real-world pressure. Based on the book "Спя".

Keynote / Workshop · 45-90 min
07Signature Philosophy

Stay Ahead - A Longevity Mindset for High Performers

Act before it's necessary, build systems before you need them, and treat longevity not as a medical goal but as a performance strategy.

Keynote / Opening or closing session · 45-60 min
+Bonus Format

Author Talk + Book Signing

Standalone or attached to any keynote. Six published books on the Temeli pillars, grounded in science, written for non-specialists. English editions in development.

Cultural events / Internal libraries · 45-60 min
Keynote45-75 min
Workshop2-4 hours
MasterclassHalf or full day
Retreat ModuleCustom, multi-day
Panel / Expert Guest30-60 min
Book Talk45-60 min
Request a Speaking Engagement

Include your event, audience, and dates. Available for corporate events, tech teams, leadership summits, health and innovation forums, and retreats - in English and Bulgarian.

Before You Book

FAQ

Read this before you fill the form. It might save us both time.

Do we meet in person?

No. All coaching is 100% remote, via Zoom or a similar platform, with follow-ups by message or email. It's effective, efficient, and built for real life.

What happens during a session?

We dive in fast. We clarify your why, assess your current state through tests, indicators, or reflection, and I give you tools to apply in real life. Once we find what works, we build it into a habit. You leave each session with clarity, pressure, and a decision - not fluff.

Do you work with beginners?

I work with people who are ready. You can be a complete beginner if you're serious. But if you want hand-holding, quick fixes, or hacks - I'm not your guy.

What kind of clients do you work with?

Entrepreneurs, high performers, overwhelmed parents, burned-out athletes, former warriors. People who want to own their habits, health, and headspace. If you're ready to build something real, we'll get along.

Do you write workout or meal plans?

No. I won't send you PDFs. I'll help you discover what works best for your biology, time, and goals - and help you build systems and habits that last.

Do you offer packages or memberships?

Most people start with a single session. Some move to the 6-session Transformation Package, valid for 300 days. You come back when you're ready - usually less often over time - until you don't need direction anymore. No pressure. No subscription. Just real progress.

What is unique about your coaching?

Cutting-edge science, tech, and more than anything - common sense. We can analyze your DNA, DEXA scan, or other data to personalize your approach, but we always start with the Temeli foundations: Breath, Sleep, Movement, Nutrition, Mindfulness, Prevention. We optimize behavior first, because that's what brings sustainable results.

If you're looking for leverage, you're in the right place.

This call is about fit, capacity, and timing - not a motivation session. I work with a limited number of committed people.

Request a Strategic Discovery Call